1 1/4 cups firmly packed brown sugar
1/2 cup vegetable oil
1 1/2 teaspoons Ener-G-Replacer
2 tablespoons warm water
2 teaspoons vanilla
1 cup non-dairy milk
1 tablespoon fresh lemon juice or white vinegar
1 1/2 cups diced rhubarb
1/2 cup chopped pecans or walnuts
2 1/2 cups flour
1 teaspoon baking soda
1 teaspoon baking powder
1/2 teaspoon salt

Topping
1 tablespoon non-dairy butter, melted
1/3 cup sugar
1 teaspoon cinnamon

Preheat oven to 400°

Blend 1 1/2 teaspoons Ener-G-Replacer with the warm water in a blender until frothy.
Mix lemon juice with the non-dairy milk. Let mixture stand for 5 minutes.
In a food processor, mix well sugar through milk mixture. Add rhubarb and pecans or walnuts, then pulse for 5 seconds.
In a separate bowl combine flour through salt. Add to rhubarb mixture until just blended. Spoon batter into 18 paper lined muffin cups, filling them 2/3 full.

Topping
Combine all ingredients in a small bowl. Scatter mixture over filled cups and press lightly into batter.
Bake in oven for 25 minutes or until muffins are lightly browned.