Guacamole - cooking recipe

Ingredients

2 ripe avocados
1 tomato, peeled, seeded and chopped
1 Tbsp. onion, minced
1 Tbsp. lemon juice
1 tsp. salt
1/2 tsp. chili powder
mayonnaise

Preparation

Pit and peel avocados.
Mash pulp in bowl and stir in remaining ingredients, except mayonnaise.
Cover top with a thin layer of mayonnaise to keep mixture from darkening; refrigerate. Stir well before serving with tostados for dipping.
Makes about 2 cups.