Preheat oven to 350F and grease a 9X5 loaf pan.
Melt butter.
In a large bowl mix together the butter and sugar.
Add eggs and vanilla.
Mix in oat flour, baking soda, salt, cinnamon, cloves, and nutmeg.
Fold in greek yogurt chopped walnuts and pumpkin into the flour mixture.
Pour into prepared pan.
Bake for 55 minutes. Of course, always check with a toothpick to make sure it is fully cooked. Or a knife if you want to reach the bottom.
Optional Maple Glaze
In a small bowl mix together powdered sugar, maple syrup, maple extract and hot water. If too thick add a tsp of water at a time to reach desired consistency. Drizzle on top of bread.