Heat oven to 350º. Grease 2-quart casserole or square
baking dish, 8 ¥ 8 ¥ 2
inches. Prepare Peperonata Sauce.
Cut polenta into twelve 1/2-inch slices. Arrange 6 slices
polenta on bottom
of casserole. Spread half of the sauce over polenta.
Sprinkle with 3/4 cup
of the cheese. Repeat with remaining polenta, sauce and
cheese.
Bake uncovered 35 to 40 minutes or until heated through and
cheese is light
brown. Let stand 10 minutes before serving.
PEPERONATA SAUCE
Heat oil in 3-quart saucepan over medium heat. Cook onions
and garlic in oil
2 to 3 minutes, stirring occasionally, until onions are
crisp-tender. Stir
in remaining ingredients. Simmer uncovered about 8 minutes
or until slightly
thickened.