Vegetable Chowder

Name: Vegetable Chowder
Ingredients: 2 tbsp. olive oil; 1 large onion; 3 c. water; 3 medium zucchini and/or yellow summer squashes; 2 red and/or yellow peppers; 3 large ripe tomatoes; 3 clove garlic; 2 tsp. fennel seeds; 2 tsp. salt; 1/4 tsp. ground black pepper; Sliced fresh basil leaves for garnish