Creamy Garlic Shells

Name: Creamy Garlic Shells
Ingredients: 8 oz. small shell pasta; 1 tbsp. salted butter; 1 tbsp. olive oil; 3 cloves garlic, minced; 2 tbsp. all purpose flour; 3/4 cup unsalted chicken broth; 3/4 cup milk; 1/4 cup freshly shredded parmesan cheese; 2 tsp. dried parsley; 1/2 tsp. garlic powder; 1/4 tsp. each onion powder, salt and pepper