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Rhabarber Blechkuchen mit Streusel auf einem Stück Backpapier

Easy Rhubarb Crumble Traybake Recipe

This Easy Rhubarb Crumble Traybake Recipe is perfect for spring! A German rhubarb cake recipe with streusel topping baked on a sheet pan!
Course Dessert
Cuisine German
Keyword rhubarb crumble traybake, Rhubarb tray bake
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings 12
Calories 230 kcal

Ingredients

For the crumble topping

  • 100 g marzipan - 7 tbsp
  • 200 grams of flour - 1 1/4 c
  • 120 grams of sugar 1/2 cup + 1 tbsp
  • 140 grams of butter -1/2 cup +t tbsp

Batter

  • 100 g grated cold raw marzipan - 7 tbsp
  • 200 grams of icing sugar 1 1/2 cups
  • 1 tbsp vanilla
  • 1 pinch salt
  • 250 grams of butter - 1 cup + 2 tbsp - soft
  • 5 eggs room temperature
  • Bitter almond flavor - a few drops
  • 400 grams of flour - 2 1/2 cups
  • 2 teaspoons cream of tartar / baking powder
  • 130 ml milk - 1/2 cup + 1 tbsp

For  topping:

  • 500 grams of rhubarb - 4 1/2 cup

Instructions

Crumble

  1. Grate 100 g marzipan and chill. Grating marzipan is easiest when it is chilled. I like to put the marzipan in the freezer for 10 minutes
  2. Make coarse crumbles with  half of the marzipan and the remaining ingredients. You can do this with the kneading hook of the hand mixer, or by hand! Then also chill them until ready to bake. We keep a small amount of grated marzipan for the last step.

Batter

  1. Mix flour and making powder and sift together into a bowl. Grate the marzipan and mix with the icing sugar, soft butter and vanilla until light and fluffy. Then add the room temperature 5 eggs, 1 by one beating well after every addition. Add the salt and beat everything until creamy for at least 4 minutes with the hand mixer. Stir vanilla and add in the almond essence, if using. Then bit by bit stir in the flour-baking powder mixture, adding some of the milk in between additions of flour. Do not overmix ( see tips)

  2. Spread the dough on a lined baking sheet (or use a baking frame and baking paper ). Spread the rhubarb slices over the dough and press them in slightly. Sprinkle everything with the crumble and the saved marzipan and bake for approx. 45 minutes in the oven at 190°C top/bottom heat.
  3. When baking, make sure that the marzipan and streusel do not get too brown, so  put the cake in the lower third of the oven and maybe cover the cake with baking paper or aluminum foil towards the end.
  4. Another possibility is to sprinkle marzipan on the cake 10 minutes before the end.