Asparagus Onion Casserole Recipe

Ingredients for Asparagus Onion Casserole

• Fresh Asparagus
• 1 medium onion, thinly sliced
• Butter
• 2 tablespoons all-purpose flour
• 2 cups milk
• 4 ounces cream cheese
• ½ teaspoon salt
• ¼ teaspoon black pepper
• 1 cup shredded cheddar cheese
• Soft Breadcrumbs

How to Make Asparagus Onion Casserole

1. Preheat oven to 350°F (175°C).
2. In a large skillet, sauté 1 pound asparagus spears and 1 medium onion, thinly sliced, in 1 tablespoon butter over medium heat until crisp-tender (about 8-10 minutes).
3. Transfer asparagus and onion mixture to a greased 1 ½-quart baking dish.
4. In a medium saucepan, melt 2 tablespoons butter over medium heat.
5. Whisk in 2 tablespoons all-purpose flour until smooth.
6. Gradually whisk in 2 cups milk until smooth.
7. Bring to a simmer, cooking and stirring constantly for 2 minutes, or until thickened.
8. Reduce heat to low. Stir in 4 ounces cream cheese, ½ teaspoon salt, and ¼ teaspoon black pepper until the cream cheese is melted and the sauce is smooth.
9. Pour the cheese sauce over the asparagus and onion mixture in the baking dish.
10. Sprinkle 1 cup shredded cheddar cheese evenly over the top.
11. In a small bowl, melt 1 tablespoon butter. Toss with ½ cup bread crumbs.
12. Sprinkle the breadcrumb mixture evenly over the casserole.
13. Bake uncovered for 35-40 minutes, or until heated through and the topping is golden brown.