Mashed Potatoes with Ricotta and Roasted Aromatics

Name: Mashed Potatoes with Ricotta and Roasted Aromatics
Ingredients: 1 pound yellow or sweet onions; 8 cloves of garlic, crushed but not peeled; Olive oil and salt for roasting; 2 pounds large white or red potatoes, peeled and quartered; 1 1/2 cups homemade beef stock (substitute the best chicken stock you can find if you don’t have homemade beef stock); 1/2 cup fresh ricotta; 2 tablespoons half-and-half; Salt and pepper to taste; 2 tablespoons crème fraiche, or additional fresh ricotta