Prep Time
15 mins
Cook Time
50 mins
Total Time
1 hr 5 mins
Course: Breakfast
Servings: 2
Calories: 290 kcal
For the muffin:
  • 113 g butter, softened
  • 96 g granulated erythritol sweetener
  • 3 large eggs
  • 3 Tbsp lemon juice
  • 1 Tbsp lemon zest
  • 192 g superfine almond flour
  • 64 g coconut flour
  • 2 tsp baking powder
  • 1/4 tsp xanthan gum or arrowroot powder
  • 1/2 tsp vanilla extract
  • 128 g full fat sour cream
  • pinch of salt
For the streusel topping:
  • 3 Tbsp butter, melted
  • 3/4 cup superfine almond flour
  • 3 Tbsp erythritol sweetener
  • 1 tsp lemon zest
  • 1 Tbsp coconut flour
For the lemon glaze:
  • 64 g confectioners’ sugar substitute erythritol
  • 3 Tbsp lemon juice
For the muffin layer:
  1. Combine all of the muffin ingredients in a blender and blend for 2-3 minutes or until smooth.

  2. The mixture is thick so you’ll have to stop a few times and scrape the sides down with a silicone spatula to get it going the first minute or so.

  3. Preheat the oven to 350 degrees (F) and then start your streusel topping.

For the streusel topping:
  1. Combine the melted butter, almond flour, sweetener, lemon zest and coconut flour in a small bowl and stir well with a fork until a crumbly dough forms.

  2. Spoon the muffin batter from the blender into 8 large or 12 regular muffin cups – or into a small loaf or cake pan.

  3. Crumble the streusel topping in pea sized pieces over the top of the batter.

  4. Bake on the middle rack of your oven at 350 degrees for 35 minutes (large muffins) or 25 minutes (average sized muffin) or 50 minutes (loaf or cake pan) OR until a toothpick or knife inserted in the center comes out clean.

For the lemon glaze:
  1. Combine the erythritol and lemon juice in a cup or small bowl. Stir with a fork until smooth.

  2. If too runny, add another Tbsp of erythritol (or more) until an opaque but still pourable glaze forms.

  3. If too stiff to pour, add another tsp of lemon juice to loosen.

  4. Pour the glaze over the muffins after they are baked and slightly cool. Serve warm or room temperature.

  5. Store any leftovers covered in the refrigerator for up to a week.

Nutrition information
  1. Serving Size: 1 muffin

  2. Fat: 25g 

  3. Carbohydrates: 4.5g

  4.  net Protein: 8g

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