Ingredients

1 whole garlic bulb1-1/2 teaspoons plus 2 tablespoons butter, divided2 pounds potatoes (about 6 medium), peeled and cubed2 medium onions, quartered2 tablespoons olive oil1/2 teaspoon salt1/4 teaspoon pepper6 cups vegetable broth, divided4-1/2 teaspoons all-purpose flour1/2 cup milk

Preparation

Remove papery outer skin from garlic (do not peel or separate cloves); cut top off bulb. Melt 1-1/2 teaspoons butter; drizzle over garlic. Wrap in heavy-duty foil. Place in a 9-in. round baking pan; set aside.

Place potatoes and onions in a single layer in an ungreased 15x10x1-in. baking pan. Drizzle with oil; sprinkle with salt and pepper. Toss to coat.

Bake garlic and potato mixture at 400° for 35-40 minutes or until tender, stirring vegetables once. Cool slightly.

In a blender, combine 2 cups broth and half of the vegetable mixture; cover and process until blended. Repeat with 2 cups broth and remaining vegetable mixture; set aside.

In a large saucepan, melt remaining butter. Stir in flour until smooth; gradually add remaining broth. Bring to a boil; cook and stir for 2 minutes or until thickened. Squeeze softened garlic into pan. Stir in milk and pureed vegetables; heat through.