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Brussel Sprouts Au Gratin

  • Prep Time: 40 minutes
  • Cook Time: 30 minutes
  • Servings: 6
  • Course: Side Dish

Brussels sprouts and bacon come together in this cheesy recipe for an extra scrumptious side dish.

Reynolds Kitchens® Tips

Reynolds Kitchens tip

Bake in a non-stick Reynolds Kitchens® Bakeware Pan for easy clean up!


  • 1 pound of brussel sprouts cut in half
  • 3 strips of chopped bacon
  • 1/2 small diced yellow onion
  • 1 tablespoon of chopped fresh thyme
  • 3/4 cups of breadcrumbs
  • 1 tablespoon of unsalted butter
  • 2 tablespoons of flour
  • 2 cups of milk
  • 6 ounces of shredded Swiss cheese
  • 2 ounces of grated Parmesan cheese
  • salt and pepper to taste
  • 1 Reynolds Kitchens® 8x8 Bakeware Pan


Step 1

PREHEAT the oven to 375°F.

Step 2

COOK the bacon in a large pot on high heat until crispy and brown.

Step 3

REMOVE the bacon from the pot once cooked and browned and set aside, and add in the onions and butter and cook for 4 to 5 minutes on medium heat.

Step 4

ADD The flour into the pot with onions and butter and stir together and cook for 2 more minutes.

Step 5

WHISK the milk in to the pot until combined and simmer on low heat for 10 minutes or until it begins to become thick.

Step 6

FINISH the mixture by whisking in the grated Swiss cheese, salt and pepper.

Step 7

FOLD in the bacon and sliced brussel sprouts to the pot and then pour the mixture into a Reynolds Kitchens® 8x8 Bakeware Pan.

Step 8

SPRINKLE the breadcrumbs and Parmesan cheese to the top of the creamy brussel sprouts.

Step 9

BAKE in the oven on 375° for 30 minutes or until the breadcrumbs and Parmesan cheese are golden brown.

Step 10

SERVE hot.

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