One Pot Roasted Red Pepper and Sausage Alfredo

Name: One Pot Roasted Red Pepper and Sausage Alfredo
Prep time: 5 min
Cook time: 25 min
Total time: 30 min
Cuisine: European, American, Italian, Mediterranean
Ingredients: 3/4 lb Italian sausage; 4 cloves garlic, finely chopped; 1 tablespoon olive oil; 1 1/2 cups milk, plus 1/4 cup for the sauce; 1 1/2 cups chicken broth, plus 1/4 cup for the sauce; 1 (16 oz) jar roasted red peppers, drained and pureed (you can do this in a food processor or blender); 4 oz goat cheese (or more, to taste); 1/2 cup grated parmesan; Salt and pepper, to taste; 3 handfuls fresh spinach; Kosher salt and freshly ground black pepper, to taste; 12 oz pasta of your choice