Preheat oven to 375 degrees. Combine first 5 ingredients in a large bowl.
Combine egg, oil, milk & vanilla in a separate bowl. Then mix dry ingredients with the wet ingredients stirring till combined. Fold in the rhubarb.
Fill muffin cups halfway full.
Mix Streusel ingredients and sprinkle on top of the muffins. Bake 18 - 20 minutes or until a knife inserted in the muffin comes out clean.
Recipe from Waseda Farms, Baileys Harbor/De Pere
Gail Horkman – Certified Health Coach