Makes: 8 servings. Prep: 10 minutes. COOK: 20 minutes. Bake: at 375 for 25 to 30 minutes.
Cook vegetables following package directions; drain and set aside.
In a large saucepan, melt 2 tablespoons of the butter with the oil over medium-low heat. Add onion and sauté for 4 minutes. Stir in garlic and cook 2 minutes longer until onion is translucent.
Stir in dry mustard, salt and flour; cook 1 minute. Increase heat to medium, add milk and cook, stirring constantly until mixture thickens, about 10 minutes. Reduce heat to low; add hot-pepper sauce, cheese and ham. Cook, stirring, until cheese is melted, about 2 minutes. Stir drained vegetables into cheese mixture.
Heat oven to 375. Grease a 13 x 9 x 2-inch baking dish with remaining 1 teaspoon butter. Cook macaroni following package directions. Drain well and combine with cheese and vegetable mixture. Pour into prepared pan and bake at 375 for 25 to 30 minutes or until