Wash hands with soap and water.

Gently rub produce under cold running water before preparing ingredients.

Preheat oven to 350 degrees F.

Prick potato skins with a fork in several places. Wrap with aluminum foil.

Bake wrapped potatoes for 30-60 minutes, until soft inside. Check doneness by piercing potato with knife.

Place fresh broccoli, onion, and carrots in a microwave safe dish. Add 2 Tablespoons of water. Cover and heat in microwave until tender, about 5 minutes. Drain and set aside.

Add butter to a saucepan and melt. Stir in flour. Slowly add milk while stirring continuously. Continue stirring a few minutes while sauce thickens.

Add shredded cheese to sauce and stir until melted. Add cooked vegetables to cheese sauce.

Serve sauce on top of hot, cooked potatoes.