Meanwhile, in 3-quart saucepan, heat oil over medium-high heat. Add garlic; cook 1 to 2 minutes or just until garlic begins to brown. Stir in flour; cook until mixture is smooth and bubbly. Gradually add broth and half-and-half, stirring constantly, until mixture boils and thickens. Stir in wine; cook and stir 1 minute.