1 to 1 1/2 lbs. ground beef
2 pkg. Old El Paso taco mix
1 head lettuce
2 lg. tomatoes
1 Spanish onion
3 c. grated cheese
Catalina dressing to taste
Water
Black olives (optional)
15 oz. bag Doritos

Brown ground beef. Drain and rinse under water meat. Place back into frying pan. Put in 2 packages taco mix. Add water as for 1 package of taco seasoning mix. DO NOT DOUBLE WATER. Simmer for 15-20 minutes. Stir.

Add 1 cup cheese, cover and let melt in large bowl. Tear lettuce, cut tomatoes, onion. Add rest of cheese and olives, if used. Add meat and cheese. Toss together thoroughly. Break up Doritos and mix through. Add dressing. Serve.