Easy Overnight Tortilla Strata

Ingredients

• vegetable oil
• 4 cup crushed tortilla chips
• 8 ounce tomato sauce
• 1/4 cup spicy salsa
• 2 cup low-fat milk
• 1/2 cup sour cream
• 1 cup cheddar cheese, shredded (or use a mexican cheese blend)
• 3/4 cup egg whites
• 3 large eggs, beaten
• 1/2 teaspoon ground cumin
• 1/2 cup cilantro, chopped
• 1/4 cup red onion, finely chopped
• 1/2 cup cherry tomatoes, halved
• 1 cup frozen white corn kernels, thawed