Ingredients
Cooking spray
2 large eggplants, peeled and cut into 1/2-inch pieces (about 10 1/2 cups)
3 medium zucchini or yellow summer squash, cut into 1/2-inch pieces (about 6 1/2 cups)
3 tablespoons coarse salt
3 tablespoons unsalted butter, divided
2 small to medium red onions, halved and thinly sliced (about 3 1/2 cups)
2 red bell peppers, cut into 1/2-inch pieces (about 3 cups)
3 tablespoons finely chopped garlic
1/4 cup all-purpose flour
1/4 cup tomato paste
One 28-ounce can whole peeled tomatoes
1 tablespoon finely chopped fresh thyme leaves
10 grinds black pepper
1/2 cup packed freshly grated Parmigiano-Reggiano (about 1/4 pound)
1 cup coarsely chopped fresh basil leaves
6 cups low-sodium vegetable or chicken stock
1 1/2 teaspoons coarse salt
1 1/2 cups polenta or coarse-ground cornmeal (not instant)
1/2 stick unsalted butter
4 ounces fresh goat cheese (about 1/2 cup)
10 grinds black pepper