Polenta with shallots

1 small eggplant 1 small yellow zucchini 1 small green zucchini 6 medium mushrooms 1 sweet red pepper 2 tablespoons olive oil 10 ounces frozen spinach ,[...]

2 (10 ounce) bags fresh spinach 1 teaspoon vegetable oil 1 medium onion , finely chopped (1 cup) 2 cups 1% low-fat milk or 2 cups soymilk 2 tablespoons[...]

12 roma tomatoes (plum) 1 cup stone-ground yellow cornmeal or 1 cup white cornmeal 4 ounces shredded smoked mozzarella cheese (1 cup) 1 Preheat oven to 300. 2[...]