Summer Chicken Stir Fry

Name: Summer Chicken Stir Fry
Ingredients: 1 tablespoon butter; 1 tablespoon olive oil; 2 pounds boneless skinless chicken breast, cut into 1-inch chunks; 4 cloves garlic, minced; 2 large zucchinis, diced; 2 large ears of corn, kernels removed; 3/4 cup red grape tomatoes, sliced in half lengthwise; 3/4 cup yellow grape tomatoes, sliced in half lengthwise; Salt and freshly ground black pepper; 12 to 18 fresh basil leaves, cut in chiffonade; Parmesan shavings to serve; Juice of 1 lemon; Rice or Pasta, for serving, optional