Guacamole - cooking recipe

Ingredients

1 large ripe avocado
1/2 ripe tomato
1/2 green pepper
1 tsp. onion salt
1/2 tsp. chili powder
1/2 tsp. salt
1/4 tsp. pepper
1/2 olive oil
1 tsp. lime juice
1/2 c. mayonnaise

Preparation

Mash avocado with a fork.
Blend in remaining ingredients, except mayonnaise.
Spread mayonnaise over top of dip to keep it from darkening.