Spinach and Grilled Chicken Penne

By Regina

4.36 / 5

15min

27min

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1 tablespoon butter
1 tablespoon salt or more to taste
1 tablespoon ground black pepper or more to taste
1 tablespoon garlic powder
1 pound boneless skinless chicken breasts cut into bite-size pieces
1 (14.6 ounce) package penne pasta
5 cups fresh spinach or more to taste
1 cup grated Parmesan cheese
1 tablespoon red pepper flakes