Roasted Garlic without julienne

4 medium heads garlic 4 tablespoons olive oil 1 teaspoon dried rosemary salt and pepper to taste 1 large sweet onion, peeled and chopped 1 (15 ounce) can navy[...]

1 medium head garlic 1 tablespoon olive oil , divided 1/2 teaspoon dried rosemary salt , to taste fresh ground black pepper , to taste 1 small sweet onion ,[...]