Enchilada Casserole

Ingredients

• 1 1/2 lb. ground beef
• 1/2 c. chopped onion
• 1 (15 1/2 oz.) can refried beans
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1 c. cooking oil
• 12 canned or frozen tortillas
• 2 tomatoes, peeled and chopped (3/4 c.)
• 4 Tbsp. butter or margarine
• 1/4 c. all-purpose flour
• 1/2 tsp. salt
• 1/4 tsp. paprika
• 2 c. milk
• 1 (10 oz.) can enchilada sauce
• 1 1/2 c. (6 oz.) shredded natural Cheddar cheese
• 3/4 c. sliced ripe olives
• 4 drops bottled hot pepper sauce