Protein Coffee Cake With Streusel (Complete but Easy)

12 pieces
35 min

An easy Protein Coffee Cake complete with a Cinnamon Coffee Streusel, perfect for a healthy snack or dessert. Made with whole wheat pasty flour, Greek yogurt, only a little butter, and sweetened with protein powder, this recipe makes a high protein, sugar free and healthy coffee cake!

I never really got why the dessert or snack cake was called a coffee cake even though it doesn’t have coffee; Just having it alongside coffee shouldn’t give it a name right?

Well I decided to add actual coffee to my protein coffee cake, so went with some instant coffee added to that typical cinnamon streusel. Definitely a step up.

I small batched this protein coffee cake when ProteinWorld sent over their new Instant Coffee (which has like a hint of chocolate and caramel, and some actual metabolism boosting effects) and MAJOR regrets on that.

This coffee cake was SO soft and just melted away with every bite……

Protein Coffee Cake Recipe Ingredients:

  • Whole Wheat Pastry Flour for a healthy and whole grain cake recipe. You can replace it with all purpose flour or gluten free baking flour if you like
  • Vanilla Protein Powder – this replaces the sugar in this recipe and is the key to what makes it a high protein cake. I used half ProteinWorld Slender Blend for this recipe (use the code HAYLSKITCHEN for a discount) and half Quest Nutrition’s Vanilla protein powder – it’s a whey-caesin blend.
  • Non-fat Greek Yogurt another protein-packed ingredient!
  • Almond Milk for a slightly low calorie and healthy recipe; No buttermilk needed here
  • An Egg
  • Just a bit of softened butter
  • Baking Powder and Baking Soda
  • A bit of salt

The Cinnamon Coffee Streusel:

  • Instant Coffee: I used ProteinWorld new Slender Coffee – it has a thermogenic blend in it that helps boost metabolism and even has some protein in there. The code HAYLSKITCHEN gets you a discount here too.
  • Ground Cinnamon
  • 1:1 Zero Calorie Sugar Substitute – I use Lakanto, to keep this recipe sugar free; (code HAYLSKITCHEN for a discount here too)
  • Some cold Cubed Butter
Protein Coffee Cake With Streusel (Complete but Easy)
Recipe details
  • 12  pieces
  • Prep time: 10 Minutes Cook time: 25 Minutes Total time: 35 min
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  • 1 cup Whole Wheat Pastry Flour, 120g, see post for subs
  • ½ cup Vanilla Protein Powder, divided 45g, about 1½ scoop
  • ½ tsp Baking Powder
  • ½ tsp Baking Soda
  • ¼ tsp Salt
  • ½ cup Non-fat Greek Yogurt, room temperature, 112g
  • ½ cup Almond Milk, room temperature, 120ml
  • 3 Tbsp Butter, Softened
  • 1 Egg, room temperature
  • 3 Tbsp Whole Wheat Pastry Flour
  • 2 Tbsp 1:1 Zero Calorie Sugar Replacement
  • 1½ tsp Cinnamon
  • 1 tsp Instant Coffee
  • 1½ Tbsp Cold Butter, in cubes

Preheat oven to 350°F and line an 8×8” baking pan with parchment paper; Spray sides with cooking spray.
In a bowl, combine whole wheat flour, half protein powder, baking powder, baking soda and salt. Set aside.
In a large bowl, beat together butter and half protein powder using an electric hand mixer or paddle attachment until combined.
Add Greek yogurt, milk and egg and beat again.
Add dry mix to wet and fold using a large spoon or spatula.DO NOT OVER-MIX or the cake will be tough because of the protein powder and gluten from the whole wheat flour.
Make streusel:
In another bowl, combine flour, zero calorie sugar replacement, cinnamon and coffee.
And butter cubes and a fork to work mixture to form heavy crumbs.
Spread ½ cake batter into baking pan, sprinkle on half streusel, spread remaining batter (flatten with back of spoon or spatula), top with remaining coffee-cinnamon mixture.
Bake on center rack for 25-30 minutes, until a tester inserted into the center comes out clean and center of cake is springy to touch.
Transfer to a cooling rack to cool completely.
  • Nutritional information, tips, alternate ingredients and storage options available on my website:
Haylee Jane Monteiro
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