Polenta with Black Beans and Spinach

Serves: 4 to 6 as an entrée; more as an appetizer. Two 18-ounce tubes polenta Olive oil cooking spray 1 tablespoon extra virgin olive oil 2 to 3 cloves garlic, minced Two 15- to 16-ounce cans black beans, drained and rinsed 1 roasted red bell pepper (from a jar), drained and cut into strips 1…