Step 1

Heat oven to 375 degrees Fahrenheit. Place tortilla chips in a blender and pulse into fine crumbs. Pour in the melted butter and continue to pulse until well combined. Press into the bottom of a 13 x 9 baking dish. Bake for 8-10 minutes, or until golden brown. Set aside to cool.

Step 2

Meanwhile, heat oil In large skillet over medium-high heat. Add onion, red peppers, green peppers, ground beef and garlic salt; cook, stirring to break up clumps of beef, until the peppers are soft and beef is no longer pink, about 5 minutes. Drain off any excess fat from skillet.

Step 3

Pour the jar of salsa into a large bowl. Fold the cooked meat mixture, 1 cup of the cheddar cheese, 1/2 cup of pepperjack cheese, and olives into the salsa. Scrape entire mixture into the prepared crust. Sprinkle the remaining cheeses over the top.

Step 4

Bake at 375 degrees for 30 minutes. Sprinkle green onions and cilantro evenly over the top.