Preheat oven to 350°F/180°C Oil 9” round cake pan with olive oil and line with parchment paper, set aside.
Whisk together all dry ingredients: Almond flour, ground coconut, granulated sugar, GF flour, baking powder, salt, vanilla bean. You can also blend any coconut on hand to make it fine.
Whisk wet ingredients together: Vanilla, eggs, cooled melted butter.
Fold wet and dry together with a spatula, place in lined pan, bake on 50-55 minutes.
Place Rhubarb on top in any pattern. Be sure to cut stalk piece in half along center spine for complete cooking.
Set aside for 30 minutes+ before removing from pan. Voila! You have a snacking breakfast cake.
Dust with powder sugar if you like. Lasts 3-5 days on the counter. “Lasts” you’ll just eat it up!