01 -
Beat the softened butter, granulated sugar, and brown sugar with an electric mixer on medium-high speed until pale and fluffy, about 2 minutes.
02 -
Beat in the eggs one at a time, then mix in the lemon extract. Scrape the bowl so the dough mixes evenly.
03 -
In a separate bowl, whisk flour, cornstarch, baking powder, baking soda, and salt. Add to the butter mixture on low speed just until no dry streaks remain.
04 -
Fold in 1 1/4 cups Fruity Pebbles by hand. Cover the bowl and chill the dough for 30 minutes.
05 -
Heat the oven to 350 degrees F. Line baking sheets with parchment. Scoop 2 tablespoon portions of dough, roll into balls, and press a few extra Fruity Pebbles on top.
06 -
Bake for 10-12 minutes, until the edges are set and the centers still look pale. Cool on the baking sheet for 10 minutes, then move to a rack to cool completely.
07 -
Soak 1/3 cup Fruity Pebbles in the milk for 20 minutes. Strain, pressing gently. Whisk the cereal milk into powdered sugar and salt a spoonful at a time until thick and smooth.
08 -
Drizzle the cooled cookies with glaze and immediately sprinkle with a little extra cereal. Let the glaze set before storing.