Preheat the oven to 400F and grease the muffin pan with non-stick spray or place 12 paper liners in the muffin pan.
Place the cereal in a zip top bag, seal the bag, and use a rolling pin or meat mallet to crush the cereal. This process can be done on a cutting board also if you don’t have a zip top bag.
In a medium bowl or the bowl of a stand mixer, combine the egg, country crock, and yogurt. Stir by hand or use the paddle attachment for your stand mixer until well combined.
Add cereal, flour, brown sugar, baking soda, and salt to the bowl. Stir or use the paddle attachment again to combine the ingredients until moist and well combined.
Add the blueberries to the bowl and gently stir into the dough. If you’re using a stand mixer, do this part by hand.
Spoon the batter into the muffin pan, making 12 muffins. Each muffin cup should be ¾ of a little more full.
Bake for 18-20 minutes, or until a toothpick inserted into the middle of a muffin comes out clean and the tops are golden brown.
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