Recipes > Chocolate Chunk Coffee Cake Muffins Find A Store Chocolate Chunk Coffee Cake Muffins Studded with chunks of chocolate & walnuts and topped with a cinnamon-streusel topping, these delightfully delicious muffins are an amazing treat for breakfast, brunch or snacking. Yield 12 muffins Print Recipe Pin Recipe 1 Reviews IngredientsDough1 1/2 cup all-purpose flour1 (0.25oz) package (7g) or 2 1/4 teaspoons Platinum Yeast1/3 cup granulated sugar1/2 teaspoon kosher salt1 teaspoon ground cinnamon1 cup buttermilk (120-130°F)2 tablespoons melted butter1 large egg1 cup chocolate chunks1/2 cup chopped walnutsStreusel Topping1/3 cup brown sugar1/3 cup all-purpose flour1/3 cup old fashioned oats1/2 teaspoon ground cinnamon3 tablespoons melted butter InstructionsGrease 12 cupcake liners, place in muffin tin. Set aside.Add flour, yeast, sugar, salt and cinnamon into a mixer bowl fitted with a paddle. Mix on low speed until well combined. Add buttermilk, melted butter and egg; mix on medium speed until well combined. Fold in chocolate chunks and walnuts. Spoon evenly into lined muffin tin.Prepare topping: Mix together all of the streusel topping ingredients until crumbled. Sprinkle over muffin batter.Cover and allow to rise 45 minutes to 1 hour.Preheat oven to 375°F.Bake for 25-30 minutes or until a toothpick inserted comes out mostly clean.Remove to a wire rack to cool.Best served at room temperature (if you can wait until it cools!) NotesRecipe by Miss in the Kitchen. Did you make this recipe? We want to see it! Tag @redstaryeast and use hashtag #redstaryeast