Combine all ingredients; freeze according to manufacturer's directions.
Fruit variation: Add 1 to 2 cups chopped fresh, ripe fruit before freezing ice cream. Heath Bar: When almost frozen, add 10 ounces chopped Heath bar. Coffee: Add 5 tablespoons instant coffee powder before freezing. Other: Add 10 ounces chopped or crumbled candy, brownies, cookies, nuts or chocolate chips when ice cream is almost frozen. Refrigerator-Freezer Method: Omit half-and-half. Combine condensed milk and vanilla. Fold in 2 cups of whipping cream, whipped. (Do not use nondairy whipped topping.) Pour into a 9-by-5-inch loaf pan or other 2-quart container; freeze 6 hours or until firm.
Recipe from Henry Gentry, co-owner of Henry's Homemade Ice Cream in Plano, Texas.