Comforting Easy Shepherd's Pie Recipe: - Crock Recipes

Ingredients

• 1 tablespoon olive oil
• 1 medium onion, diced
• 2 carrots, diced
• 2 cloves garlic, minced
• 1 pound ground beef or lamb
• 1 tablespoon tomato paste
• 1 cup beef broth
• 1 teaspoon Worcestershire sauce
• 1 cup frozen peas
• Salt and pepper to taste
• 2 pounds potatoes, peeled and chopped
• 4 tablespoons unsalted butter
• ½ cup milk