Peanut Butter and Jam Muffins

Streusel Topping

• 2 oz all-purpose flour
• 1 oz brown sugar
• 1 oz sugar
• 1 pinch ground cinnamon
• 1 pinch salt
• 1 ½ oz unsalted butter, chilled, in pieces
• 1 ½ oz unsalted dry-roasted peanuts, plus extra to garnish

Muffins

• 2 ½ oz unsalted butter chilled, in pieces
• 6 oz creamy peanut butter
• 3 oz light brown sugar
• 1 large egg
• 4 oz plain whole milk yogurt
• 4 ½ oz whole milk
• 1 tsp vanilla extract
• 6 oz all-purpose flour
• ¾ tsp baking powder
• ½ tsp baking soda
• ¼ tsp salt
• 3 oz strawberry jam