Italian-Style Tomatoes and Zucchini

This is a great way to enjoy those two prolific summer crops, tomatoes and zucchini. Plum tomatoes will yield less watery results. To reduce the liquid in the cooker, remove the cooked vegetables with a slotted spoon, turn the cooker to High, and let the liquid reduce. At this point, you can also stir in a tablespoon of cornstarch slurry (to thicken it further, if you wish. To make this a main dish, add 1½ cups cooked or canned beans (cannellini are a good choice), then toss with cooked pas