These homemade blueberry muffins with a streusel crumb topping are the best. They’re light, fluffy, and bursting with sweet ...

Line a 12-hole muffin tin with large or tulip paper cases (or make your own using 15cm/6in squares of baking paper). To make the crumble topping, put the flour, demerara sugar and hazelnuts in a ...

My muffins never stick and bake very evenly ... Heat your oven to 195 Celsius. Make the crumble topping. Cut the butter into small chunks. Combine the soft brown sugar, flour, butter, and cinnamon ...

They have a yummy crunchy cinnamon crumble topping on top. They will keep for a few days in the pantry, a week in the fridge, or months if frozen. Makes 12 medium muffins.