Preheat oven to 350°F (175°C) and line a muffin tin with paper liners.
Mix flax eggs and set aside to thicken.
Blend pumpkin, cottage cheese, flax eggs, maple syrup, oil, and vanilla until smooth.
Whisk together oat flour, protein powder, almond flour, flaxseed, spices, baking powder, baking soda, and salt.
Pour wet mixture into dry. Stir until just combined. Don’t overmix.
Divide batter into muffin cups and bake 22–24 minutes. Cool 5 minutes in pan, then transfer to rack.
Notes
Use high-protein cottage cheese brands for a protein boost. For a vegan version, substitute with thick soy/coconut yogurt and a suitable vegan protein powder.