Cheese Tortellini With Cannellini Bean Sauce

9 ounces cheese-filled tortellini 15 ounces cannellini beans , drained and rinsed 2/3 cup milk 1/4 cup parmesan cheese , grated 1/3 cup red bell pepper ,[...]

2 tablespoons olive oil 1/2 onion , diced 4 garlic cloves , minced 1 tablespoon fresh thyme , chopped 1/4 teaspoon dry crushed red pepper 6 cups chicken broth[...]