Polenta Fingers With Beans and Tomatoes without goat sauce

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[...]

2 teaspoons olive oil , divided 2 cups onions , chopped 3 cups cremini mushrooms , coarsely chopped 1 1/2 teaspoons salt , divided 2 cloves garlic , chopped[...]