Irish Beef Stew with Cheddar Smashed Potatoes - Potato Goodness

Ingredients

• 3 lbs (1.25kg) Whole Boneless Beef Chuck Roast
• 2 tbsp (16g) Kosher Salt
• 3 tbsp (45ml) Vegetable Oil
• 1 c (240ml) Water
• 4 tbsp (60g) Butter
• 4 20g) Garlic Cloves, crushed slightly
• 1 1/2 c (225g) Yellow Onion, 1-inch dice
• 1 1/2 c (225g) Celery, 1-inch pieces
• 1 1/2 c (225g) Carrots, 1-inch pieces
• 1 can (170g) Tomato Paste
• 1/3 c (40g) All-Purpose Flour
• 15 oz (450ml) Irish Stout Beer
• 1 tbsp (2g) Instant Coffee Crystals (optional)
• 6 c (1.5L) Beef Stock
• 2 packets (15g) Unflavored Gelatin
• 2 tsp (2g) Dried Thyme
• 2 tsp (6g) Freshly Ground Black Pepper
• 2 tsp (5g) Kosher Salt
• 2 Fresh Rosemary Sprigs
• 1 1/2 lbs (0.68kg) Yellow Potatoes
• 2 tbsp Kosher Salt
• 2 c (480ml) Half and Half
• 6 oz (170g) Aged Irish Cheddar Cheese, grated
• Kosher Salt, as needed
• 1 tsp (2g) Ground White Pepper