Aunt Norma's Rhubarb Muffins

Ingredients (14)

• ✓ 2 ½ cups flour
• + 1 teaspoon baking soda add to pantry
• + 1 teaspoon baking powder add to pantry
• ✓ ½ teaspoon salt
• + 1 ¼ cups brown sugar add to pantry
• ✓ ½ cup vegetable oil
• + 1 egg add to pantry
• + 1 teaspoon vanilla extract add to pantry
• + 1 cup buttermilk add to pantry
• + 1 ½ cups diced rhubarb add to pantry
• + ½ cup chopped walnuts add to pantry
• + 1 tablespoon melted butter add to pantry
• + ⅓ cup white sugar add to pantry
• + 1 teaspoon ground cinnamon add to pantry