Guacamole - cooking recipe

Ingredients

1 medium avocado, peeled
1 small tomato, quartered
2 Tbsp. lime or lemon juice
2 Tbsp. mayonnaise
2 Tbsp. sour cream
1/4 tsp. salt
1/4 to 1/2 tsp. red pepper
1/4 to 1/2 tsp. garlic powder
1/3 c. chopped onion

Preparation

Grind all ingredients, except onion.
Stir in onion.