This firecracker cake is an easy red, white, and blue Bundt cake made with vanilla cake mix, instant pudding mix, eggs, vegetable oil, and lemon-lime soda. The batter gets divided into three bowls, tinted patriotic colors, baked into soft swirls, and finished with a simple soda glaze and sprinkles.
It is the kind of cake that walks onto a Fourth of July dessert table wearing the outfit, the earrings, and the sparkly shoes. The best part is that it starts with a boxed cake mix, so you get all the party drama without spending the afternoon wrestling with cake layers.
What Is Firecracker Cake?
Firecracker Cake is a patriotic red, white, and blue Bundt cake made by tinting portions of vanilla cake batter, spooning the colors into a Bundt pan, baking until the colors swirl together, and decorating the cooled cake with red, white, and blue glaze or frosting.
Why You'll Love This Recipe
- It looks festive without complicated decorating. The batter and glaze do most of the work.
- It starts with cake mix. Vanilla cake mix plus instant pudding mix gives you a tender, dependable Bundt cake.
- Lemon-lime soda keeps it fun. 7UP or any lemon-lime soda adds moisture and a light citrus sweetness.
- It works for more than July Fourth. Serve it for Memorial Day, Labor Day, backyard barbecues, birthday parties, and summer picnics.
- It can be made ahead. Bake the cake a day ahead, then glaze and decorate before serving.
Recipe At-a-Glance
- Flavor: Sweet vanilla cake with a light lemon-lime glaze.
- Texture: Soft, tender Bundt cake with colorful glaze on top.
- Difficulty: Easy.
- Prep time: 20 minutes.
- Cook time: 45 to 50 minutes.
- Cooling time: 1 hour.
- Yield: 12 servings.
- Make-ahead: Yes. Bake ahead and glaze before serving.
- Freezer-friendly: Yes, freeze the cooled cake without glaze for up to 3 months.
- Best occasions: Fourth of July, Memorial Day, Labor Day, summer cookouts, and patriotic celebrations.
Where This Cake Comes From
Firecracker Cake is part of the great American tradition of turning a simple cake mix into a holiday centerpiece. Red, white, and blue desserts show up all summer long, especially around Fourth of July and Memorial Day, and this Bundt cake version keeps the decorating easy enough for real life.
If you are building a patriotic dessert table, this cake plays nicely with patriotic popcorn, fresh strawberry pie, and grilled strawberries with vanilla ice cream.
Ingredients
The ingredients are simple, but each one helps the cake bake up moist, colorful, and easy to decorate.
- Vanilla cake mix: The shortcut base for the cake. White cake mix can also be used.
- Instant vanilla pudding mix: Helps the Bundt cake stay soft and tender.
- Large eggs: Give the cake structure and richness.
- Vegetable oil: Keeps the cake moist after baking.
- Lemon-lime soda: Adds moisture and a light citrus note to the batter and glaze.
- Red and blue food coloring: Gel food coloring gives the strongest color with the least extra liquid.
- Powdered sugar: Makes the quick soda glaze.
- Red, white, and blue sprinkles: Add the final party-table finish.
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Buy Now → Tools
A good Bundt pan and a few mixing bowls make this recipe much easier to manage.
- 10-cup Bundt pan
- Baking spray or butter and flour
- Large mixing bowl
- Electric mixer
- Three medium bowls for batter
- Three small bowls for glaze
- Rubber spatula
- Wire cooling rack
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Buy Now → How to Make Firecracker Cake
Firecracker Cake is made by mixing one vanilla batter, tinting two portions red and blue, spooning all three colors into a Bundt pan, and glazing the cooled cake.
- Heat the oven. Heat the oven to 325°F.
- Prepare the pan. Thoroughly grease a 10-cup Bundt pan with baking spray or coat it with butter and flour. Be generous around the center tube and all the ridges.
- Start the batter. Combine the cake mix, pudding mix, eggs, and vegetable oil in a large mixing bowl. Mix until the dry ingredients begin to come together.
- Add the soda. Slowly pour in the lemon-lime soda while mixing on low speed until the batter is smooth.
- Tint the batter. Divide the batter evenly among three bowls. Leave one portion plain, tint one red, and tint one blue. Stir until each color is even.
- Fill the Bundt pan. Spoon alternating portions of each batter into the prepared pan, placing different colors beside one another until all the batter is used. Lightly tap the pan on the counter to settle the batter.
- Bake the cake. Bake for 45 to 50 minutes, or until a toothpick inserted into the center comes out clean.
- Cool and release. Let the cake rest in the pan for 20 minutes, then turn it onto a wire rack. Cool completely before glazing.
- Make the glaze. Stir together powdered sugar and lemon-lime soda until smooth. Add more soda a small amount at a time if you want a thinner drizzle.
- Color and decorate. Divide the glaze among four small bowls. Tint one red, one royal blue, one light blue, and leave one white. Drizzle over the cooled cake and add sprinkles before the glaze sets.

Step-By-Step Instructions
These step-by-step images show the main visual cues for mixing, tinting, filling, glazing, and finishing the Firecracker Cake.

Ingredients: Gather the cake mix, pudding mix, eggs, vegetable oil, lemon-lime soda, food coloring, powdered sugar, and sprinkles.

Step 1: Mix the cake mix, pudding mix, eggs, and oil, then slowly add lemon-lime soda until the batter is smooth.

Step 2: Divide the batter into three bowls, leaving one plain and tinting the others red and blue.

Step 3: Spoon alternating portions of red, white, and blue batter into the prepared Bundt pan.

Step 4: Mix the powdered sugar and lemon-lime soda glaze, then divide it into four bowls: red, royal blue, light blue, and white.

Step 5: Drizzle the cooled Bundt cake with red, white, and blue glaze and add sprinkles before the glaze sets.
Helpful Tips Before You Start
The two biggest success points are greasing the Bundt pan well and keeping the glaze thick enough to cling to the cake.
- Grease every ridge of the pan. A colorful Bundt cake is only festive if it comes out of the pan in one piece.
- Add soda slowly. Pouring it in gradually keeps the batter from splashing and helps it mix smoothly.
- Use gel color for brighter batter. Liquid coloring works, but gel gives stronger red and blue colors with less added liquid.
- Do not over-swirl the batter. Spoon the colors beside each other and let the pan do the work. Too much stirring can muddy the colors.
- Cool completely before glazing. Warm cake will make the glaze slide instead of setting in pretty stripes.
A Few Easy Mistakes to Avoid
Most Firecracker Cake problems come from a sticky pan, muddy batter colors, or glaze that is too thin.
- Do not rush the pan prep. Bundt pans need a thorough coating, especially around decorative grooves.
- Do not pour all the colors in layers only. Alternating spoonfuls creates a better striping pattern than three solid layers.
- Do not glaze a warm cake. Let it cool fully on a wire rack first.
- Do not thin the glaze too much. Add extra soda a teaspoon at a time so it still drizzles in bold lines.
- Do not wait to add sprinkles. They stick best while the glaze is still wet.
A Few Things That Make This Recipe Better
Instant pudding mix, lemon-lime soda, and gel food coloring are the small details that make this cake tender, colorful, and party-ready.
The pudding mix helps the cake stay soft after baking, which is handy when you are making dessert ahead for a cookout. Lemon-lime soda keeps the batter moist and gives the powdered sugar glaze a little brightness. Gel food coloring makes the red and blue colors pop without watering down the batter or glaze.
Keeping Leftovers Fresh
Store Firecracker Cake covered at room temperature for up to 3 days, or refrigerate it in an airtight container for up to 5 days.
If the cake has been decorated with sprinkles, the colors may soften slightly over time, but the cake will still taste good. Keep it covered so the cut edges do not dry out.
Can You Make It Ahead?
Yes, Firecracker Cake can be baked a day ahead and glazed before serving.
For the cleanest look, bake and cool the cake, then cover it tightly. Make the glaze and decorate the cake the day you plan to serve it so the colors and sprinkles look fresh.
What to Serve with It
Serve this patriotic Bundt cake with fresh strawberries, blueberries, vanilla ice cream, or other summer cookout favorites.
FAQs
Can I use white cake mix instead of vanilla cake mix?
Yes, white cake mix can be used in place of vanilla cake mix. White cake mix may make the red and blue colors look slightly brighter.
Can I use a different lemon-lime soda?
Yes, any lemon-lime soft drink works well if 7UP is unavailable.
Is gel food coloring better for Firecracker Cake?
Gel food coloring usually gives more vibrant red and blue colors with less added liquid than traditional food coloring.
Can I freeze Firecracker Cake?
Yes, freeze the cooled cake without glaze for up to 3 months. Wrap it tightly in plastic wrap followed by aluminum foil, thaw overnight in the refrigerator, then glaze and decorate before serving.
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Easy Firecracker Cake for the 4th of July
A colorful vanilla Bundt cake made with swirls of red, white, and blue batter, topped with a simple soda glaze and festive sprinkles. Perfect for Fourth of July celebrations, Memorial Day, or any patriotic gathering.
Ingredients
Cake
1 (15-ounce) box vanilla cake mix
1 (3.4-ounce box) instant vanilla pudding mix
4 large eggs
¾ cup vegetable oil
8 ounces 7UP lemon-lime soda
Blue food coloring
Glaze
1 ½ cups powdered sugar
4 tablespoons lemon-lime soda, plus more if needed
Red food coloring
Blue food coloring
Red, white, and blue sprinkles
Instructions
Prep
- Heat the oven to 325°F.
- Thoroughly grease a 10-cup Bundt pan with baking spray or coat with butter and flour.
- Place the cake mix, pudding mix, eggs, vegetable oil, and lemon-lime soda on the counter so they are ready to use.
Make the Cake
- Combine the cake mix, pudding mix, eggs, and vegetable oil in a large mixing bowl.
- Mix until the ingredients begin to come together.
- Slowly pour in the lemon-lime soda while mixing on low speed until the batter is smooth.
- Divide the batter evenly among three bowls.
- Leave one portion plain. Tint one portion red and the remaining portion blue, stirring each until evenly colored.
- Spoon alternating portions of each batter into the prepared Bundt pan, placing different colors beside one another until all of the batter has been used.
- Lightly tap the pan on the counter to settle the batter.
Bake
- Bake for 45 to 50 minutes, or until a toothpick inserted into the center comes out clean.
- Let the cake rest in the pan for 20 minutes.
- Turn the cake onto a wire rack and allow it to cool completely before glazing.
Make the Glaze
- Stir together the powdered sugar and lemon-lime soda until smooth.
- Add additional soda, a small amount at a time, if a thinner consistency is desired.
- Divide the glaze into three small bowls.
- Tint one bowl red, one bowl blue, and leave the remaining glaze white.
Assemble
- Drizzle the three glaze colors over the cooled cake, alternating colors as desired.
- Immediately decorate with red, white, and blue sprinkles before the glaze begins to set.
- Allow the glaze to firm before slicing and serving.
Notes
Substitutions
- White cake mix can be used in place of vanilla cake mix.
- Any lemon-lime soft drink works well if Sprite is unavailable.
- Gel food coloring provides more vibrant colors with less liquid than traditional food coloring.
Serving Suggestions
- Serve with fresh strawberries, blueberries, or vanilla ice cream.
- Great for Fourth of July cookouts, Memorial Day gatherings, Labor Day parties, and summer picnics.
Storage
- Store covered at room temperature for up to 3 days.
- Refrigerate for up to 5 days in an airtight container.
Freezing
- Freeze the cooled cake without glaze for up to 3 months.
- Wrap tightly in plastic wrap followed by aluminum foil.
- Thaw overnight in the refrigerator, then glaze and decorate before serving.











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