Grease the two mini cake pans (10 cm diameter) ,with about 1 tsp olive oil and preheat the oven to 180o C.
Put the grated butternut squash in a microwave container and cook on medium high for 3 minutes. Set aside to cool. Discard any visible water from the pumpkin.
Combine oats and baking soda.
In a large bowl, put the egg, peanut butter, honey and remaining olive oil ind whisk for a few seconds.
Add the grated butternut squash and mix.
Add the dry ingredients and stir to combine.
Divide the batter evenly into two equal parts.
Add half of the beef treat in one.
Bake cakes for about 25 - 30 minutes, or until a knife inserted in the middle comes out clean.
Let the cakes sit in the pans for 10 minutes until the cool completely. Run a knife along the edges and flipping them over.
For the icing: Stir yogurt and peanut butter together until a smooth paste; decorate the cake on top and on the sides.
Top the cake with the remaining beef treat to make your dog’s special day that much better!