In a small bowl, mix together the seasonings and set aside.
Remove the cream cheese from the fridge to soften at room temperature.
Grate the cheddar and Pepper Jack cheese and set them aside.
In a large skillet, heat the butter and olive oil over medium heat.
Add the onions and peppers, sautéing until they are softened.
Stir in the garlic and cook for an additional 30 seconds.
Transfer the sautéed vegetables to the slow cooker along with 2 cups of crushed tortilla chips. Do not add the shredded cheese, cream cheese, corn, pinto beans, or garnishes yet.
Cook on low for 6 hours.
Once the cooking time is up, turn off the heat. Stir in the corn and pinto beans.
Gradually add the softened cream cheese and shredded cheese, stirring until fully incorporated.
Taste and adjust seasonings if necessary. Serve with your choice of toppings on the side.