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Microbe Slayer Sourdough Cornbread Muffins

By The BIORAY® Test Kitchen

September 26, 2025 Serves 6-8 people
Microbe Slayer Sourdough Cornbread Muffins

Ingredients

  • AP flour (or 1:1 gluten free flour) 120 g
  • Cornmeal 120 g
  • Baking powder 2 tsp
  • Baking soda ½ tsp
  • Salt ½ tsp
  • Eggs 2
  • Honey 85 g
  • Optional for slightly sweeter muffins: 35 g coconut sugar. (Omit if pairing with something more savory like chili.)
  • Buttermilk 225 g
  • Avocado oil 50 g
  • Sourdough discard 120 g
  • Optional mix-ins: frozen berries, nuts, chocolate chips,

Steps

  1. 1
    Combine all dry ingredients (flour, cornmeal, baking powder, baking soda, salt) in a large bowl and whisk to combine.
  2. 2
    In a separate bowl whisk together all wet ingredients (eggs, honey, oil, sourdough discard)
  3. 3
    Pour wet ingredients into dry and mix just until combined and there are no visible clumps.
  4. 4
    If mixing in nuts or chocolate chips, stir in now. If adding frozen berries, see step 8.
  5. 5
    Let the batter rest while oven preheats to 400ºF
  6. 6
    Line a muffin tin with parchment liners or grease well
  7. 7
    Fill muffin containers about ¾ of way full.
  8. 8
    If adding frozen berries, drop in 3-4 berries to batter-filled muffin cups.
  9. 9
    Bake for 12-15 minutes or until muffin tops are golden brown.
  10. 10
    Remove from oven and let cool.
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