This layered Mother’s Day Cookie Cake is made with soft vegan sugar cookies and filled with tangy key lime buttercream. Dairy-free, egg-free and completely customizable, it’s a beautiful allergy-friendly dessert that’s perfect for spring celebrations and family baking.
Prepare all components in advance: bake two matching sugar cookie layers, prepare the key lime buttercream, and have decorations ready.
Place one cookie layer on a serving plate or cake board. Add the buttercream to a piping bag (either tipless or with a tip) and pipe dollops or swirls over the surface of the cookie.
Gently place the second cookie layer on top, pressing lightly so that it nestles on top lightly.
Pipe additional buttercream on the top layer.
Decorate with royal icing flowers, sprinkles, mini vegan marshmallows, biscuits or toppings of choice.
Cookie Size: Made with a 10-inch cookie cutter. Any size works, as long as both layers match. Use smaller cutters for individual cookie cakes.
Yield: This cake serves 4 generous slices.
Storage: Store assembled cookie cake in an airtight container at room temperature for 2-3 days. For the best texture, serve on the day it's assembled. Refrigerate the cake if you live in a warm climate.
Freezing: Do not freeze once assembled. Individual components can be freezed separately and thawed at room temperature before assembling.
Variation Ideas: Swap the key lime buttercream for chocolate buttercream with crushed cookies, or Biscoff buttercream with cookie crumbles and cookie butter drizzle.
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