rigatoni and caponata

Ingredients

• SAUCE
• 1 - 1 1/2 cups spicy tomato sauce i used my 5 spicy minute marinara sauce (see comments below for the link to it.)
• 1-2 tablespoon olive oil
• 1 medium onion, chopped
• 1-2 small zucchini, quartered lengthwise and sliced in about 1/2" pieces
• 1 small eggplant, about 1 pound (or use small japanese eggplants - 1 pound worth) cut into 3/4 inch cubes
• 2 tablespoons tomato paste
• 2 tablespoons warm water
• 1 tablespoon red wine vinegar
• 1 teaspoon sugar
• 1 tablespoon capers, rinsed and drained
• - salt and pepper, to taste
• 1 pound rigatoni pasta, cooked
• 2 tablespoons or so, toasted pine nuts or slivered almonds, optional