Best Irish Sausages Recipe - How To Make Irish Sausages & Champ

Ingredients

• Kosher salt
• 1/2 c. (1 stick) unsalted butter, melted
• 1/2 c. half-and-half
• 2 1/2 lb. russet potatoes, peeled, cut into 1 1/2" pieces
• 6 scallions, white and light green parts thinly sliced (about 1/2 c.)
• 2 tbsp. neutral oil, divided
• 1 lb. cooked Irish sausages (about 8)
• 1 large yellow onion, thinly sliced
• 1 large clove garlic, finely chopped
• 2 tbsp. all-purpose flour
• 1/2 c. dark stout beer
• 1 1/2 c. low-sodium beef or chicken stock
• 1 tsp. Dijon mustard
• 1/4 tsp. freshly ground black pepper