Cauliflower "Mac and Cheese" Bake

Ingredients

• cup ssmall cauliflower florets
• tablespoon snon-hydrogenated margarine, divided
• onion, chopped
• 1/3 cup flour
• teaspoon sdry mustard
• 1/2 cup smilk
• 1/2 cup sCRACKER BARREL Shredded Double Cheddar Cheese, divided
• 1/3 cup KRAFT 100% Parmesan Aged Grated Cheese, divided
• 1/2 cup panko bread crumbs

Instructions

1. Heat the oven to 375 degrees F (190 degrees C).
2. Cook cauliflower in boiling water in large saucepan 4 minutes. Drain well.
3. Melt 2 tablespoons margarine in large saucepan on medium heat.
4. Add onions; cook and stir 3 minutes or until crisp tender.
5. Stir in flour and mustard; cook and stir 1 minute.
6. Whisk in milk; cook 5 minutes or until thickened, frequently stirring.
7. Remove from heat.
8. Add 1 1/4 cups Cheddar and 3 tablespoons Parmesan; stir until Cheddar is melted.
9. Add cauliflower; stir to evenly coat.
10. Spoon into a 2.5 liter casserole dish sprayed with cooking spray.
11. Microwave remaining margarine in medium microwaveable bowl 30 seconds or until melted. Stir in bread crumbs and remaining Parmesan; sprinkle over cauliflower mixture.
12. Bake 20 to 25 minutes or until heated through, topping with remaining Cheddar for the last 5 minutes.