Heart Healthy Shepherd's Pie | Easy One-Pot Recipe

Ingredients

• 1 1/2 lbs potatoes, quartered and peeled
• 2/3 cup skim milk
• 2 Tbsp unsalted butter
• 1/4 tsp ground nutmeg
• 1/8 tsp cayenne pepper
• 2 scallions, thinly sliced
• 1/2 tsp salt
• Black pepper to taste
• 1 lb lean ground beef
• 2 Tbsp olive oil
• 1 1/2 cups chopped onion
• 2 large carrots, chopped
• 3 oz cremini mushrooms, sliced (about 1 cup)
• 1 Tbsp tomato paste
• 1 tsp fresh thyme leaves
• 1/8 tsp salt
• 3 Tbsp sherry or red wine
• 2 1/2 cups reduced-sodium beef broth
• 2 Tbsp all-purpose flour