Rhubarb Muffins with Almond Streusel

Name: Rhubarb Muffins with Almond Streusel
Cook time: 20 min
Total time: 20 min
Cuisine: European, American
Ingredients: 1/2 cup vanilla yogurt; 3 Tbsp butter (melted and divided); 2 Tbsp vegetable oil; 1 large egg; 1 cup brown sugar (divided); 1 1/4 cup Blue Diamond Almond Flour; 1/2 tsp baking soda; 1/4 tsp salt; 1 cup fresh or frozen rhubarb (diced, thawed if frozen); 1/8 tsp ground nutmeg; 1/2 tsp ground cinnamon