Welsh Rarebit and Spinach - Wyke

Ingredients

• 2 x knobs of Wyke unsalted butter
• 200g baby spinach, rinsed
• 200g Wyke Vintage Cheddar cheese (coarsely grated)
• 2 tsp plain flour
• 1 tsp English mustard
• ½ tsp paprika (plus extra for dusting)
• 1/8 whole nutmeg, grated
• 1 egg yolk
• 2 tbsp whole milk
• 50ml ale or stout (use alcohol free if you prefer, but the cooking will remove the alcohol)
• 1 tsp Worcestershire sauce
• Sea salt and freshly ground black pepper
• 4 slices of thick-cut crusty bread (like sourdough or farmhouse)