• Start by preheating your oven to 350°F and grease your donut pan. Combine Fruity Pebbles and buttermilk in a large bowl and let sit.
• Mix your dry ingredients in a medium bowl - flour, baking powder, and baking soda.
• In a large mixing bowl, combine the cereal-buttermilk mixture with egg, oil, vanilla, yogurt, and melted butter. Mix at medium speed until well combined.
• Add the flour mixture gradually, stirring until just combined. Don't overmix.
• Fill your prepared pan about ¾ full. Use a pastry brush to ensure even coating of the pan.

For the Glaze:

• While the donuts are cooling, mix together the powdered sugar, milk, vanilla extract, strawberry extract, and pink gel food dye until thoroughly combined.
• Once donuts have cooled, gently remove them from the pan.
• Dip the tops of each donut in the prepared glaze, then place them glaze-side up on parchment paper.
• Immediately sprinkle crushed Fruity Pebbles in a diagonal direction across the corners of each donut before the glaze sets.