1/2 c. olive oil
1/4 c. balsamic vinegar
1 tsp. salt
1/8 tsp. Tabasco
1 - 16 oz can black beans, drained and rinsed
1 - 16 oz can corn, drained and rinsed
1 large tomato, chopped
1 or 2 ripe avocado, diced
1/2 c. minced red onion

Mix all ingredients together. Serve with tortilla chips.