Getting that perfect balance of sweetness and tang in a breakfast cake can feel like a tricky puzzle, especially when you’re looking for something that works for both lazy weekend brunches and quick weekday morning treats. Let’s be honest – most coffee cakes either lean too sugary or end up being a bit boring, and finding that middle ground isn’t always easy.
That’s why this rhubarb yogurt coffee cake has become my go-to recipe. It combines the natural tartness of rhubarb with creamy yogurt in a moist, not-too-sweet cake that’s perfect with your morning coffee. Plus, it’s straightforward to make and can be prepared the night before when you know you’ve got a busy morning ahead.
Why You’ll Love This Rhubarb Coffee Cake
- Perfectly moist texture – The combination of yogurt and rhubarb creates a wonderfully moist cake that stays fresh for days – if it lasts that long!
- Simple pantry ingredients – Besides the seasonal rhubarb, this recipe uses basic baking ingredients you likely already have in your kitchen.
- Great for any time of day – It works perfectly as a breakfast treat, afternoon snack, or dessert – especially when served warm with a cup of coffee.
- Make-ahead friendly – You can bake this cake the day before you need it, and it’ll taste just as good – perfect for busy schedules or when planning ahead for guests.
- Sweet-tart balance – The tangy rhubarb pairs perfectly with the sweet brown sugar topping, creating a cake that’s not too sweet and not too tart.
What Kind of Rhubarb Should I Use?
For this coffee cake, you can use either fresh or frozen rhubarb stalks – both will give you great results. If you’re buying fresh rhubarb, look for stalks that are firm and crisp, with a bright pink to red color, though the greener stalks will taste just as good in your baking. When prepping your rhubarb, make sure to cut off the leaves (they’re not edible) and trim away any tough ends before chopping the stalks into small pieces. If you’re using frozen rhubarb, thaw it first and drain off any excess liquid to prevent your cake from becoming too wet.
Options for Substitutions
Need to make some swaps? Here are some helpful substitutions for this coffee cake recipe:
- Plain yogurt: You can use Greek yogurt (thin it with a splash of milk), sour cream, or buttermilk instead. If using buttermilk, reduce the amount to 3/4 cup to maintain the right moisture balance.
- Rhubarb: If rhubarb isn’t in season, try using tart apples, cranberries, or even strawberries. Keep in mind that sweeter fruits might make your cake a bit sweeter overall, so you might want to reduce the sugar by 2-3 tablespoons.
- White sugar: Feel free to use coconut sugar or raw sugar as a 1:1 replacement. Just note that these alternatives might give your cake a slightly darker color.
- Regular flour: All-purpose flour works best here, but you can use pastry flour for a more tender crumb. For a whole wheat version, replace up to half the flour with whole wheat pastry flour – just expect a denser texture.
- Brown sugar: Out of brown sugar? Mix 1 cup white sugar with 1 tablespoon molasses. Light or dark brown sugar both work fine in this recipe.
Watch Out for These Mistakes While Baking
The biggest challenge when baking with rhubarb is managing its moisture content – cutting the stalks too large can leave wet pockets in your cake, so aim to chop them into small, uniform pieces about 1/4 inch in size. To prevent a soggy bottom, avoid the temptation to add extra rhubarb beyond the recipe’s called-for amount, as rhubarb releases quite a bit of liquid during baking. Another common mistake is overmixing the batter once the flour is added – stop as soon as the dry ingredients are incorporated to ensure a tender crumb rather than a tough, dense cake. For the best texture, make sure your yogurt and egg are at room temperature before starting, and don’t forget to test for doneness with a toothpick in several spots since the moisture from the rhubarb can make testing tricky in just one area.
What to Serve With Rhubarb Coffee Cake?
This tangy-sweet coffee cake is perfect for breakfast or brunch, and there are several tasty ways to serve it. A dollop of vanilla-flavored whipped cream or a scoop of good vanilla ice cream makes a great topping if you’re serving it as dessert. For breakfast, I like to pair it with a hot cup of coffee or tea and some fresh fruit on the side – strawberries are especially nice since they’re natural partners with rhubarb. If you’re hosting brunch, consider serving it alongside some savory dishes like scrambled eggs or a breakfast casserole to balance out the sweetness.
Storage Instructions
Counter Storage: This rhubarb yogurt coffee cake stays fresh at room temperature for up to 2 days when kept in an airtight container. Just make sure to let it cool completely before storing to keep that nice texture. I like to place a paper towel under and over the cake to absorb any extra moisture.
Refrigerate: Want to keep it longer? Pop it in the fridge in a sealed container, and it’ll stay good for up to 5 days. The yogurt in the recipe helps keep it moist even after refrigeration.
Freeze: This cake freezes really well! Cut it into portions, wrap them individually in plastic wrap, then place in a freezer bag. It’ll keep for up to 3 months. When you’re craving a piece, just thaw it overnight in the fridge or for a few hours on the counter.
Warm Up: If you like your coffee cake warm, just pop a slice in the microwave for 15-20 seconds. It’ll taste almost like it’s fresh from the oven! You can also warm it in a 300°F oven for about 5 minutes if you prefer.
| Preparation Time | 15-20 minutes |
| Cooking Time | 40 minutes |
| Total Time | 55-60 minutes |
| Level of Difficulty | Easy |
Estimated Nutrition
Estimated nutrition for the whole recipe (without optional ingredients):
- Calories: 1200-1400
- Protein: 15-20 g
- Fat: 20-25 g
- Carbohydrates: 250-300 g
Ingredients
For the cake:
- 1 cup sugar
- 1 tsp baking soda
- 1 cup plain yogurt (full-fat for a moister cake)
- 3 cups chopped rhubarb (cut into 1/2-inch pieces)
- 1/2 tsp salt
- 1 egg (large)
- 1 1/2 cups all-purpose flour
- 1 tsp vanilla extract
For the topping:
- 1 cup brown sugar
- 1 tsp ground cinnamon
Step 1: Preheat and Prepare the Baking Dish
Start by preheating your oven to 375º F (190º C).
Lightly grease a 9×13 inch baking pan to prevent the cake from sticking.
Set the prepared pan aside.
Step 2: Mix Wet Ingredients
In a large bowl, combine the granulated sugar, yogurt, egg, and vanilla.
Mix these ingredients together until the mixture is creamy and well-blended.
This will form the base of your cake batter.
Step 3: Add Dry Ingredients to Form Batter
Add the flour, baking soda, and salt to the bowl with the wet ingredients.
Stir everything together until you have a smooth batter.
Ensure there are no lumps remaining for an evenly textured cake.
Step 4: Incorporate Rhubarb and Pour Batter
Fold the rhubarb gently into the batter, evenly distributing it throughout.
Once combined, pour the batter into the prepared 9×13 inch pan, spreading it out evenly with a spatula if needed.
Step 5: Prepare and Add Topping
In a small bowl, mix together the brown sugar and cinnamon.
Sprinkle this mixture evenly over the top of the cake batter, creating a delicious, sweet topping for the cake.
Step 6: Bake the Cake
Bake the cake in your preheated oven uncovered for about 40 minutes, or until the cake is set and a toothpick inserted in the center comes out clean.
Once baked, remove the cake from the oven and allow it to cool slightly before serving.
Enjoy your delightful rhubarb cake!
