Topping: using a fork cut brown sugar and butter together until crumbly.
1/2cupBrown Sugar
1tablespoonButter
Instructions
Preheat oven to 350 degrees.
Combine flour, salt, baking soda, and brown sugar in mixing bowl. Whisk together eggs, oil, milk, and vanilla gradually add wet ingredients to dry ingredients, until combined. Fold in rhubarb and strawberries. Fill muffins tins 2/3 full, sprinkle with topping. Bake for 18-20 minutes, 22-25 for large muffins.