Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C) and prepare your muffin pans.
- In a medium bowl, whisk together the all-purpose flour, baking soda, baking powder, and salt.
- In a separate bowl, combine the brown sugar, buttermilk, vegetable oil, egg, and vanilla extract.
- Fold the dry ingredients into the wet ingredients until just combined.
- Gently fold in the chopped rhubarb and walnuts (if using).
- Fill each muffin cup nearly to the top with the batter.
- Mix together the sugar, melted butter, and cinnamon until crumbly, then sprinkle over each muffin cup.
- Bake for about 25 minutes until tops spring back lightly when pressed.
- Cool for about 10 minutes before transferring to a wire rack.
Nutrition
Notes
Store muffins in an airtight container at room temperature for up to 2 days or in the fridge for up to a week. Freeze individually wrapped for up to 3 months.
