It’s rhubarb season, and this easy sourdough discard rhubarb crumble is one of our favorite summer desserts! This recipe has a sweet, buttery crumble topping made with sourdough discard and a gooey fruit filling that can be made with rhubarb, plums, berries, peaches, apples, or any mix of fruit you love.

The best part? You don’t need active, bubbly starter for this recipe. Cold sourdough discard works beautifully in the crumble topping and gives it the most delicious texture.

In this video, I’ll show you how to make the crumble topping, how to prep your rhubarb and fruit filling, why cornstarch matters, and how to know when your crumble is perfectly baked.

Come bake with us and fill your table with something sweet, simple, and seasonal!

Here are my favorite baking tools that make baking up this crumble even easier!

9x13 baking pan: https://amzn.to/4uU16j0

Pastry blender: https://amzn.to/3Spsk2x

Kitchen scale: https://amzn.to/4uhUdag

Easy Rhubarb Berry Sourdough Discard Crumble

Rhubarb Sourdough Crumble Recipe:

Topping:

200 g (1 1/4 cups) all purpose flour

160 g (2/3 cup) brown sugar

90 g (6 Tb) granulated white sugar

6 g (2 tsp) cinnamon

2 g (1/4 tsp) salt or 16 cracks

113 g (1/2 cup) room temperature salted butter

130 g (1/2 cup) cold discard

Filling:

1100-1200 g (8 cups) rhubarb, berry mix

160 g (3/4 cup) granulated white sugar

36 g (3 Tb) corn starch

1.5 g (1/8 tsp) salt or 10 cracks

Instructions:

Bake at 375 till the filling is bubbly and the crumble topping all looks slightly toasted

Let cool until the filling is no longer bubbling and it has set a bit. The longer it rests the thicker the filling will get.

Summer Sourdough Discard Rhubarb Berry Crumble

If you love this recipe you’ll love our Cookbook, Dinner Changes Everything. Full of delicious recipes and seasonal dishes, our cookbook gives you unique menus and easy step by step dinner schedules so you can host your own amazing meals and create memorable gatherings around your own dinner table!

🌿 Our Getting Started with Sourdough Playlist on YouTube : https://www.youtube.com/playlist?list=PLfPIhWGHaEXFm0Cq85LyppQWEfJr0o3_p

Our Backyard Table… Did you know that when you watch our videos you help fight human trafficking! It's true, years ago we decided to use our everyday life as a way to fight against slavery and trafficking. Since then we started hosting the Freedom Dinners and when our business started, we knew we wanted it to give back too. We donate 10% of all of our profits to AtlasFree⁩ to fight for those that cannot stand up for themselves.

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