Step 2
Melt butter in medium saucepan on medium heat. Add onions; cook 3 min., stirring frequently. Add garlic; cook and stir 1 min. Whisk in flour; cook 2 min., stirring constantly. Gradually add chicken broth, mixing well after each addition. Bring just to boil; cook 2 to 3 min. or until thickened, stirring constantly.