Beef with pasta

2 cups prepared pasta sauce (use your favorite or see Kittencal's Italian Tomato Pasta Sauce and Parmesan Meatballs ) 1 lb cooked beef (cut into strips) 1 (10[...]

3 cups cooked lean ground beef 1 (26-oz.) jar fire-roasted tomato-and-garlic pasta sauce 1 (15-oz.) container ricotta cheese 1/2 cup shredded Parmesan cheese[...]

1 Tbsp. Extra virgin olive oil 2 c. Mushrooms , sliced 1 x Green bell pepper , cut into thin strips 1 med Onion , cut into thin wedges 1 lrg Clove garlic,[...]