Recipe taken from: Special Diets: Tightwad Tara's Guide
2-3 large tomatoes (1 ½ cups)
1/4 c. finely chopped onion
1/4 c. chopped fresh cilantro
1 1/2 T. fresh lime juice
1/2 t. salt
2 ripe avocados, peeled and mashed
Combine all ingredients. Mix gently. Let stand 10 minutes to allow flavors to blend. Serve with tortilla chips, over tacos or top your favorite Mexican dish.