Cheddar Cheese & Broccoli Casserole Recipe
Position rack in centre of oven, then preheat to 350°F. Spray a 2-L baking dish with non-stick cooking spray.
Heat a large saucepan over medium-high. Add margarine, then onion. Cook, stirring often, until softened, about 4 minutes. Reduce heat to. medium. Sprinkle over flour. Cook, stirring constantly, 2 minutes.
Gradually stir in milk. Bring to a boil. Stir in chicken stock until stock melts and sauce is thickened, about 2 minutes.
Remove from heat, then stir in 1 cup cheese. Let stand 1 minute. Stir in broccoli and mustard. Transfer mixture into prepared dish.
Bake for 20 minutes. Sprinkle remaining 1/2 cup cheese over casserole. Continue baking until cheese is melted, about 5 more minutes. Let stand 10 minutes before serving.
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Last updated: January 18th, 2021
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