Created by CookinDebbs on June 11, 2016
Step 1: In a large skillet over medium-high heat, heat 2 tablespoons butter. Add in ground beef, onion, salt and pepper; cook 6-7 minutes or until beef is no longer pink, stirring occasionally. Add garlic; cook 1 minute more or until fragrant.
Step 2: Add fennel and mushrooms; cook 3 to 5 minutes or until vegetables are tender. Stir in tomato paste. Add tomatoes with juice from can; reduce heat and simmer partially covered for about 25-30 minutes. Add more salt if needed.
Step 3: Stir in cooked penne pasta.