Patriotic Red White & Blue Poke Cake Recipe for 4th of July

This easy patriotic poke cake is a fun and festive Jell-O cake for the 4th of July!

slice of red, white, and blue poke cake on a white plate

Red, white, and blue patriotic poke cake feeds a crowd and comes together easily with a boxed cake mix and Jell-O.

One of the simplest ways to make a holiday feel special is with dessert. This patriotic poke cake uses a white cake mix as its base, then fills poked holes with red and blue Jell-O for an eye-catching, crowd-pleasing treat. It’s easy to prepare, travels well, and is perfect for 4th of July gatherings.

If you prefer from-scratch baking, you can use a white cake recipe instead, but a doctored boxed mix keeps this recipe fast and reliable. The Jell-O supplies both color and flavor, creating the classic red, white, and blue presentation when topped with whipped cream.

piece of patriotic poke cake in front of the pan that it baked in

4th of July Cake Made with Jell-O

A poke cake is baked in a rectangular pan, allowed to cool slightly, then holes are poked across the surface. A flavorful liquid—here, prepared red and blue Jell-O—is poured into the holes so it soaks into the cake. After chilling, the Jell-O sets inside the cake, producing bright bursts of color and flavor throughout.

How to Make a Red, White, and Blue Poke Cake

This recipe is straightforward and well suited to feeding a group. Prepare the cake, poke the holes, add alternating rows of red and blue Jell-O, chill until set, and finish with whipped topping and festive sprinkles.

Ingredients You’ll Need:

  • 1 box white cake mix
  • Eggs (or egg whites as noted), oil, and water called for on the box or adjusted to recipe
  • 3-oz box red Jell-O (strawberry or cherry)
  • 3-oz box blue Jell-O (berry blue)
  • Boiling water and cold water for preparing Jell-O
  • 8 oz whipped topping (such as Cool Whip) or homemade whipped cream
  • Optional: red, white, and blue sprinkles
the top (overhead view) of a patriotic poke cake, with whipped cream and red, white, and blue sprinkles

How to Make this Red, White, and Blue Cake:

Make the cake. Prepare the white cake batter according to the mix instructions, or use your favorite white cake recipe. Pour into a greased 9×13″ pan and bake until a toothpick inserted in the center comes out clean. Allow the cake to cool for about 15–20 minutes so it’s warm but not hot.

white cake batter being poured into a greased and floured pan

Cool slightly and poke holes. Use a skewer, chopstick, or the end of a wooden spoon to poke holes in even rows across the cake, spacing them about 1 inch apart. The holes let the Jell-O sink into the cake for full-flavored pockets throughout.

holes poked in a cooled cake

Prepare and add Jell-O. Dissolve each 3-oz Jell-O mix in 3/4 cup boiling water, stirring until fully dissolved, then add 1/2 cup cold water. Using a dropper, squeeze bottle, or careful pour, add the red Jell-O to alternating rows of holes. Repeat with the blue Jell-O in the remaining rows. You likely won’t need every last drop; reserve or discard any excess.

a hand adding red jello to the holes of the poke cake, using a dropper

Chill to set. Cover the pan and refrigerate for at least four hours, or until the Jell-O has set inside the cake. This step ensures the colors hold and the flavors meld into the crumb.

Alternating rows of blue and red Jello in the holes of a poke cake.

Top with whipped cream. Spread whipped topping or freshly whipped cream over the chilled cake and decorate with red, white, and blue sprinkles if desired. Keep the cake refrigerated until ready to serve.

hand holding a spatula and spreading whipped cream onto a red white and blue poke cake

Notes and Variations

  • Use a homemade white cake if you prefer, but a mix is a reliable shortcut for gatherings.
  • Leftover prepared Jell-O can be refrigerated for another use or discarded; you rarely need the full amount the package makes.
  • Regular or sugar-free Jell-O both work; adjust sweeteners and toppings to taste.
  • For a fresher topping, make stabilized whipped cream or pipe stars for a more polished look.

Ingredients (Concise)

  • 1 box white cake mix
  • 2 egg whites and 1 whole egg (or as preferred)
  • 1 cup water, 1/3 cup vegetable oil (or follow box directions)
  • 3-oz strawberry Jell-O
  • 3-oz blue raspberry Jell-O
  • 8-oz whipped topping
  • Optional: red, white, and blue sprinkles

Quick Instructions

  1. Preheat oven to 350°F. Grease a 9×13″ pan and prepare cake batter per mix or recipe.
  2. Bake until a toothpick comes out clean. Cool 15–20 minutes.
  3. Poke holes evenly across the cake with a skewer or chopstick.
  4. Prepare each Jell-O flavor (3/4 cup boiling water + 1/2 cup cold water). Fill alternating rows of holes with red and blue Jell-O.
  5. Cover and refrigerate at least 4 hours until the Jell-O sets.
  6. Top with whipped topping and sprinkles before serving. Keep refrigerated.

Nutrition Information (Per Serving, Approximate)

Yield: 20 servings. Calories: ~98 per serving. Total fat: ~7g. Carbohydrates: ~7g. Protein: ~1g. (Nutrition estimates are approximate.)

Square of red, white, and blue Jello poke cake topped with whipped cream, on a white plate