Polenta Muffins with Prawns and Mayo

Muffins

• 125 g unsalted butter, diced, plus extra for greasing
• 250 g plain flour
• 110 g polenta
• 55 g sugar
• 1 Tbsp baking powder
• ½ tsp fine sea salt
• 2 medium eggs
• 250 g milk

Topping

• 3 Tbsp fresh dill leaves, plus extra for garnishing
• ¼ tsp fine sea salt
• ¼ tsp ground black pepper, plus extra for garnishing
• 1 tsp lemon juice
• 1 tsp creamed horseradish
• 300 g mayonnaise
• 36 prawns, cooked