Whisk milk, Country Crock® Spread and flour in large saucepan; bring to a boil over medium-high heat, whisking frequently. Reduce heat and cook, stirring occasionally, until thickened, about 5 minutes.
Stir in remaining ingredients except macaroni. Cook, stirring occasionally, until cheese is melted. Stir in macaroni, then turn into 8-inch baking dish. Bake until heated through, about 15 minutes.