Strawberry-Rhubarb Cake

Prep: 15 min Cook: 30 min Serves: 12 Cuisine: American

A delightful layered cake combining the tartness of rhubarb and strawberries with sweet marshmallows and cake, perfect for dessert gatherings and family treats.

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Ingredients

  • 1 white or yellow cake mix
  • 4 cups diced rhubarb
  • 3 ounces strawberry Jell-O
  • 1 cup sugar
  • 2 cups mini marshmallows

Instructions

  1. Mix the cake mix according to the package directions.
  2. Cover the bottom of a 9 x 13-inch pan with diced rhubarb.
  3. Sprinkle strawberry Jell-O over the rhubarb.
  4. Sprinkle sugar over the Jell-O.
  5. Cover with mini marshmallows.
  6. Pour the prepared cake batter over the marshmallows.
  7. Bake for 30 to 35 minutes.
  8. Serve with ice cream or whipped cream.

Tips & Substitutions

For a lighter version, consider using a sugar substitute or a low-calorie cake mix. If rhubarb is out of season, frozen rhubarb can be a great alternative. Make sure to thaw and drain it well to prevent excess moisture in the cake. Additionally, you can add a teaspoon of vanilla extract to the cake mix for enhanced flavor.

Serving Suggestions

This Strawberry-Rhubarb Cake is best served warm, ideally topped with a scoop of vanilla ice cream or a dollop of whipped cream. It pairs beautifully with a refreshing Cape Cod Cooler for a delightful summer dessert. You can also serve it alongside fresh strawberries or a fruit salad for added freshness.

Storage & Reheating

To store leftovers, cover the cake tightly with plastic wrap or transfer to an airtight container. It can be kept in the refrigerator for up to 3 days. Reheat individual slices in the microwave for about 20-30 seconds or enjoy cold for a refreshing treat.

Nutrition & Diet Analysis (per serving)

Each serving of Strawberry-Rhubarb Cake contains roughly 452 calories, with 8g protein, 99g carbohydrates, and 3g fat. It is an excellent source of iron (70% of the Daily Value), vitamin A (45% of the Daily Value), and calcium (26% of the Daily Value), and a good source of dietary fiber and protein. Note that it is relatively high in sodium, at 537mg per serving (23% of the Daily Value).

452 kcal 23% DV
Protein Fat Carbs

Macronutrients

Protein 7.7g 15% DV
Total Fat 3g 4% DV
Carbs 99.1g 36% DV
Fiber 4.8g 17% DV
Sugar 47.4g 95% DV

Electrolytes

Sodium 536.9mg 23% DV
Potassium 235.2mg 5% DV

Vitamins & Minerals

Vitamin A 401.6mcg 45% DV
Vitamin C 18.3mg 20% DV
Vitamin D 2.9mcg 14% DV
Calcium 342.5mg 26% DV
Iron 12.7mg 70% DV
Diet fit Low-fat

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use fresh rhubarb instead of frozen?

Absolutely! Fresh rhubarb works perfectly in this recipe. Just ensure it is well-diced and trimmed of any tough ends. If using frozen, make sure to thaw it completely and drain any excess moisture before adding it to the cake.

How can I make this cake gluten-free?

To make this cake gluten-free, substitute the regular cake mix with a gluten-free cake mix. Be sure to check that your Jell-O and other ingredients are also gluten-free. This way, everyone can enjoy this delicious dessert without worry!

What can I do if I don’t have mini marshmallows?

If you don't have mini marshmallows, you can substitute with regular-sized marshmallows, just cut them into smaller pieces. Alternatively, you could use coconut flakes or even crushed graham crackers for a different texture and flavor.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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