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Banana-Carrot Dog Birthday Cake (6″ or Pupcakes, Egg-Free Option)

Dog-friendly oat-flour cake with banana, pumpkin, and carrot. Frost with yogurt-PB swirls or silky potato “toe-bean” dots. Includes an egg-free option, storage tips, and a small-dog portion guide.
Prep Time 15 minutes
Cook Time 22 minutes
Course Homemade Dog Treats
Cuisine Dog Snacks
Servings 12 cupcakes/slices

Ingredients
  

Cake Base — Dry

  • 1 1/2 cups oat flour (150 g) use certified GF oats if needed
  • 1 tsp baking powder (≈4 g)
  • ½ tsp ground cinnamon  (optional; ≈1 g)
  • ½ tsp baking soda  (optional for extra lift; ≈2 g; omit for very sensitive pups)
  • pinch salt  (optional)

Cake Base — Wet & Add-ins

  • 1 ripe banana, mashed (≈120 g)
  • ½ cup plain pumpkin puree  (120 g; not pie filling)
  • 1 large egg or flax egg  (1 Tbsp ground flaxseed + 3 Tbsp water; rest 5 min)
  • ¼ cup xylitol-free peanut butter (≈65 g)
  • 2 tbsp mild oil  (olive/avocado/sunflower; 30 ml) or +2 Tbsp pumpkin for lower fat
  • ¼ cup plain, unsweetened yogurt or water (60 ml)
  • ½ cup finely grated carrot (50–60 g)

Frosting Option 1 — Yogurt-PB Swirl

  • ½ cup plain Greek yogurt (120 g)
  • 2 tbsp xylitol-free peanut butter (≈30 g)
  • 1-2 tbsp water (15–30 ml; to pipeable consistency)

Frosting Option 2 — Silky Potato “Polka Dots” (Dairy-Free)

  • 1 medium russet potato (~250 g), cooked & riced
  • 1-3 tbsp warm water or low-salt broth, as needed
  • (Optional tiny pinches for color) beet powder (pink), turmeric (yellow), spirulina (green)

Optional Decor (Dog-Safe)

  • Blueberries (2–3 per serving), Banana coins, Mini bone biscuits

Instructions
 

A) Cake / Pupcakes

  • Prep — Heat oven to 350°F / 175°C. Grease and line a 6″ round pan (parchment) or line a 12-cup muffin tin.
  • Dry bowl — Whisk oat flour, baking powder, cinnamon, baking soda (if using), salt.
  • Combine — Fold dry into wet until no flour streaks remain (thick batter). Don’t over-mix—oat flour gets cranky.
  • Bake —
    6″ cake: spread and level; bake 22–28 min until a toothpick tests clean and center springs back.
    Cupcakes: divide among 12 liners; bake 18–22 min.
  • Cool — Rest 10 min; then move to a rack until completely cool.

B) Frosting (Choose One)

  • Yogurt-PB Swirl — Whisk yogurt + PB; thin with water to a pipeable consistency. Pipe short swirls using a #1M tip.
  • Potato “Polka Dots” — Rice hot potato; whisk smooth with warm water/broth (and a pinch of natural color if desired). Pipe small dots (toe-beans) with a #1M or round tip.

C) Decorate & Serve

  • Add minimal, dog-safe decor (2–3 blueberries or banana coins per serving).
  • Slice small and serve. Treats should be ≤ 10% of daily calories.
Keyword Dog Birthday Cake, Dog Birthday Cake Recipe, Dog Cake Recipes, homemade dog treats