Keto Air Fryer Grinch Heart Loaf Cake
This festive air fryer cake features bright green cake with hidden red hearts throughout, creating a delightful surprise when sliced. The technique involves baking two separate colored batters and using cookie cutters to create heart shapes that are embedded into the green layer. Perfect for Christmas celebrations or Dr. Seuss themed parties, this whimsical dessert is finished with green fondant and red heart sprinkles for an eye-catching presentation that's sure to bring smiles.
Ingredients
Instructions
- 1
Spray loaf pans with non-stick cooking spray and preheat air fryer to 320 degrees F
- 2
Mix cake mix, milk, eggs, and red food coloring in medium bowl until bright red
- 3
Transfer red batter to prepared loaf pan and air fry for 12-15 minutes at 320 degrees F
- 4
Cool red cake completely on cooling rack, then slice into half-inch pieces
- 5
Cut heart shapes from red cake slices using heart-shaped cookie cutters
- 6
Mix cake mix, eggs, milk, and green food coloring in large bowl until desired green shade
- 7
Spray second loaf pan and line with parchment paper
- 8
Pour enough green batter to coat bottom of pan, place red hearts across bottom, then pour remaining green batter over hearts
- 9
Air fry green loaf for 12-15 minutes at 320 degrees F
- 10
Cool cake completely before decorating
- 11
Warm fondant with hands, knead, then roll into rectangular shape with rolling pin on powdered sugar-dusted surface
- 12
Cover cake with fondant and sprinkle with heart sprinkles
- 13
Refrigerate for 30 minutes to set
Tips
Use gel food coloring instead of liquid for more vibrant colors without thinning the batter
Make sure the red cake is completely cool before cutting hearts to prevent crumbling
Dust your rolling pin and surface with powdered sugar to prevent fondant from sticking
Good to Know
Cover and store at room temperature for up to 3 days or refrigerate for up to 1 week
Red hearts can be cut a day ahead and stored covered at room temperature
Slice with sharp knife to reveal heart pattern, serve at room temperature
Common Mistakes
Don't skip cooling the red cake completely or hearts will fall apart when cutting
Avoid overmixing the green batter after adding hearts to prevent breaking them
Substitutions
Creates chocolate base instead of vanilla
Easier to work with but less smooth finish
FAQ
Can I use regular oven instead of air fryer?
Yes, bake at 350°F for 25-30 minutes in a regular oven, checking with toothpick for doneness.
What if I don't have heart cookie cutters?
Use any small cookie cutter shape or cut simple shapes with a knife for similar effect.
How long does this cake keep?
Covered cake stays fresh for 3 days at room temperature or 1 week refrigerated.