My Favorite Green Bean Casserole

Ingredients

• tablespoon sbutter
• 1/2 cup diced onion
• tablespoon minced fresh flat-leaf parsley
• cup diced fresh mushrooms
• tablespoon sall-purpose flour
• teaspoon salt
• 1/2 teaspoon ground black pepper
• 1/2 teaspoon fresh lemon juice
• cup sour cream
• (14.5 ounce) can sFrench-style green beans, drained
• cup shredded Cheddar cheese
• cup crushed buttery round crackers
• 1/4 cup melted butter

Instructions

1. Preheat an oven to 350 degrees F (175 degrees C).
2. Melt 2 tablespoons butter in a skillet over medium heat.
3. Cook and stir the onions, parsley, and mushrooms in the melted butter until the onions are translucent and the mushrooms are giving off their juices, 7 to 10 minutes.
4. Add the flour, salt, pepper, and lemon juice; cook until the flour is slightly browned, 2 to 3 minutes.
5. Stir the sour cream into the mixture.
6. Mix the green beans into the mixture.
7. Pour the green bean mixture into a 9 inch square baking dish.
8. Sprinkle the Cheddar cheese over the mixture.
9. Stir the crackers and melted butter together in a small bowl until evenly mixed; spread evenly over the Cheddar cheese layer.
10. Bake in the preheated oven until bubbly and brown, 20 to 30 minutes.