Cook 8 slices bacon; drain and chop. Cook 1 chopped red onion, 3 sliced garlic cloves, some red pepper flakes and 1 teaspoon salt in 3 tablespoons drippings. Add 5 cups grape tomatoes; cook 12 minutes. Add 1/3 cup cream; cook 2 minutes. Toss with 12 ounces cooked penne, 4 cups arugula, the bacon, some basil and a splash of pasta water. Top with Parmesan