Make-Ahead Green Bean Casserole

Make-Ahead Green Bean Casserole

This make-ahead recipe is the elevation of the green bean casserole we all grew up with. Perfect for holiday dinners!
  • Preparation:
  • Cooking:
  • Total:
  • Serves: 12 persons



  1. Step 1

    Spray a 2 1/2-quart casserole dish with cooking spray. Mince shallots until you have 3 tablespoons; slice remaining shallots into 1/8-inch rounds. Set both aside.
  2. Step 2

    Bring a large pot of lightly salted water to a boil. Add beans and cook until tender but still crisp, about 4 minutes. Drain, rinse, and pat dry; set aside.
  3. Step 3

    Melt butter in a saucepan over medium heat. Add mushrooms and cook, stirring frequently, until browned, 5 to 7 minutes. Add minced shallots and cook until softened, 2 to 3 minutes. Stir in 3 tablespoons flour, then slowly add half-and-half, broth, and soy sauce. Bring to a boil while stirring.
  4. Step 4

    Reduce heat to a simmer and stir until thickened, about 5 minutes. Stir in green beans and season with salt and pepper. Transfer to the prepared casserole dish, cover, and refrigerate 8 hours to overnight, or until ready to bake.
  5. Step 5

    Preheat the oven to 350 degrees F (175 degrees C).
  6. Step 6

    Remove casserole from the refrigerator and bake in the preheated oven until heated through and bubbly, about 30 minutes.
  7. Step 7

    While the casserole is baking, dredge shallot rings in remaining flour until evenly coated.
  8. Step 8

    Heat oil in a saucepan over medium heat. Lower shallots carefully into the hot oil, working in batches if necessary. Fry until golden brown, 1 to 2 minutes, then drain on paper towels.
  9. Step 9

    Remove casserole from the oven and top with fried shallots.