Rhubarb Cake

Ingredients

• 1/2 cup unsalted butter
  
• 1 egg
  
• 3/4 cup brown sugar
  
• 2 cups flour
  
• 1 1/2 cups rhubarb, sliced into 1" slices (or smaller, if a large stalk)
  
• 1 teaspoon baking soda
  
• 1/2 teaspoon salt
  
• 1 cup buttermilk
  
• 1 teaspoon vanilla extract
  
• 1/4 cup sugar
  
• 1 tablespoon cinnamon
  

Directions

1. Heat oven to 350. Cream brown sugar and butter till fluffy. Add egg and combine. Add flour, baking soda and salt, alternating with the buttermilk, stirring to combine. Add vanilla and rhubarb.
2. Spread in greased and floured 9x13" pan.