Sweet Potato Shepherd's Pie

• 1 pound Yukon Gold potatoes, peeled, cut into 1-inch pieces
• 1 pound sweet potatoes, peeled, cut into 1-inch pieces
• 1/4 cup Land O Lakes Half & Half
• 1 Land O Lakes Egg (yolk only)
• 1 tablespoon Land O Lakes Butter
• 1/2 teaspoon salt
• 1 1/2 pounds lean ground beef
• 2 medium (1 cup) carrots, peeled, cut in half, sliced
• 1 cup pearl onions
• 2 tablespoons all-purpose flour
• 1 cup beef broth
• 1 (14.5-ounce) can Italian-style diced tomatoes
• 1 tablespoon tomato paste
• 2 teaspoons Worcestershire sauce
• 1 cup French-cut green beans
• 1/2 teaspoon salt
• 1/4 teaspoon pepper

1. Heat oven to 400 degrees F. Spray 3-quart casserole dish with no-stick cooking spray; set aside.
2. Place potatoes and sweet potatoes into 4-quart saucepan; cover with water.
3. Bring to a boil; cook over medium-low heat 10-15 minutes or until potatoes are tender; drain.
4. Combine half & half, egg yolk, 1 tablespoon butter and salt in same saucepan; cook over medium heat until butter is melted.
5. Add potatoes; beat until smooth and fluffy.
6. Set aside.
7. Place ground beef, carrots and onions in 12-inch nonstick skillet; cook over medium heat until browned.
8. Drain fat.
9. Sprinkle with flour; cook 5 minutes.
10. Add all remaining ingredients except green beans, salt and pepper; cook until mixture just comes to a boil.
11. Continue cooking 5-7 minutes or until mixture thickens.
12. Stir in green beans, salt and pepper; continue cooking 1 minute or until heated through.
13. Pour meat mixture into prepared casserole dish.
14. Spoon mashed potatoes onto top of beef mixture.
15. Bake 20-25 minutes or until potatoes are golden brown and filling bubbles around edges.

potatoes, sweet potatoes, egg, butter, salt, lean ground beef, carrots, pearl onions, flour, beef broth, italianstyle diced, tomato paste, worcestershire sauce, green beans, salt, pepper

Taken from www.landolakes.com/recipe/4101/sweet-potato-shepherds-pie (may not work)