[header] How to make a taco casserole [title] Preheat your oven to 375 ° f (191 ° c). [step] Crush enough tortilla chips to fill 2 cups (126 grams) and place them in the bottom of an 8-inch (20. 32-centimeter), lightly greased casserole dish. How many chips you end up using depends on how big they are. 
For example, you'll need more tortilla strips than the regular, triangular type. [substeps] You can grease the casserole dish with cooking spray, oil, or butter.