My daughter turns eleven tomorrow and I was trying to conjure a fun, simple surprise to accompany her school lunch. After rifling through the cupboard, I landed on an idea for a Rainbow Sprinkle cake, packed in a jar with colorful frosting, and toted off to school with my little birthday girl. This recipe is a fun, quick way to serve up birthday cake to those you love. To keep the cake soft and colorful, it’s baked first, then crumbled into four small canning jars. Tint the frosting any color you choose; we went with bright pink and blue because that’s what my girl happens to adore. Bright colors and birthday surprises. Looks like she scored big this year on both counts.
Birthday Cake in a Jar
- 1 yellow cake mix, prepared according to package directions
- 1/4 cup rainbow sprinkles
- 1 jar vanilla frosting, tinted into two colors
Stir the rainbow sprinkles into the prepared cake mix. Bake according to package directions in a 9×13 baking dish. Once the cake is cooked and cooled, tear it into large, crumbly pieces.
Assemble the birthday cake in a jar by placing a small amount of cake into the bottom of four small canning jars. Top with one color of frosting, a bit more cake, and the second color of frosting. Top each jar with a seal and lid. Store in the fridge for up to 2 days. Serve with candles and a lot of birthday wishes.
Want to send your cake via snail mail? Feel free to pack it tightly and pop it in the mail, but you’ll want to make sure it arrives at your destination within 3 days for maximum freshness.
Makes four cakes in jars.
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