Sugar-Free High-Protein Oat Flour and Fiber Espresso Coffee Cake with Cinnamon

A nutritious, sugar-free espresso coffee cake designed for those pursuing a high-protein, low-fat diet while managing their weight. This cake combines the wholesome properties of oat flour and oat fiber, enhancing fiber content to keep you feeling full and satisfied. The use of Greek yogurt and egg whites provides a significant protein boost while keeping calories in check. Sweetened with allulose, it offers a guilt-free indulgence without affecting blood sugar levels, making it a perfect choice for anyone looking to maintain healthy eating habits. The addition of cinnamon elevates the flavor, creating a delightful aroma and taste that's perfect for breakfast, snacks, or a light dessert. This coffee cake is allergen-free, ensuring it's suitable for a wide range of dietary restrictions, and is quick and easy to prepare—ideal for busy days. Enjoy it warm or at room temperature, optionally topped with fresh berries for added flavor and nutrition.