Veggie Chicken Pasta
1 pinch red pepper flakes, or to taste 1 pound chicken, cut into bite-size pieces 1 small yellow squash, sliced 1 small zucchini, sliced 1 tablespoon extra-virgin olive oil 1 tablespoon olive oil, or as needed 10 asparagus spears, cut into 1/2-inch length… 2 cups whole wheat rotini pasta ½ cup feta cheese, crumbled ½ cup sliced mushrooms ½ small onion, sliced ¾ cup low-sodium chicken broth