Cheese Enchiladas

Ingredients

• 1/2 c. plus 2 Tbsp. vegetable oil
• 1 c. chopped onion
• 2 tsp. minced garlic
• 1 tsp. chili powder
• 1 tsp. oregano
• 1 tsp. cumin
• 1/2 tsp. salt
• 1/8 tsp. pepper
• 1 (28 oz.) can whole tomatoes
• 1 1/2 c. shredded Cheddar cheese
• 1 1/2 c. shredded Monterey Jack cheese
• 12 corn tortillas (6 to 7-inch)
• 1 1/2 c shredded lettuce
• black olives for garnish
• chicken or ground beef (if desired)