Rhubarb Coffee Cake With Crystallized Ginger Streusel Topping – Oracibo

Ingredients

• 2 ½ cups unbleached flour
• 1 tsp. baking powder
• 1 tsp. baking soda
• ¼ tsp. salt
• ¾ cup unsalted butter
• ¾ cup packed brown sugar
• 2 large eggs
• 1 tsp. lemon juice
• 1 tsp. vanilla
• 1 cup sour cream
• 2 ½ cups rhubarb cut into ¼” dice
• ¾ cup chopped walnuts
• 1/3 cup packed brown sugar
• ¼ cup finely chopped crystallized ginger
• 2 Tbsp. melted butter