One Pot Pasta with Chicken, Feta and Dill

Ingredients

• 1 tablespoon olive oil
• 2 cups chicken stock
• 1/2 teaspoon kosher salt
• 2 cloves garlic ((minced))
• 1/2 teaspoon red pepper flakes
• 1/2 cup feta cheese ((crumbled))
• 2-4 cups spinach
• 1 onion ((diced))
• 1 lb chicken breasts ((roughly 2 large chicken breasts; cut into 1 inch pieces))
• 7 oz mushrooms ((washed and sliced; 200 g))
• 28 oz can of diced tomatoes ((including liquid))
• 12 oz dried pasta ((I used small shells))
• 1 pint tomatoes ((rinsed))
• 2 tablespoons fresh dill ((chopped))
• parmesan cheese ((to serve))