Preheat oven to 350°F. Line a cookie sheet with parchment paper or a silpat liner. Set aside.
In medium-sized mixing bowl, combine flour, baking powder, baking soda and salt. Set aside.
2 ½ cups all-purpose flour, 1 teaspoon baking powder, ½ teaspoon baking soda, ¼ teaspoon salt
In large mixing bowl of an electric mixer, beat softened butter and granulated sugar on medium speed until fluffy.
1 cup butter, 1 ½ cups granulated sugar
Add in egg and mix until combined.
1 egg
Add in vanilla.
1 teaspoon vanilla
On low speed, add flour mixture, one cup at a time, into sugar mixture until well blended.
Fold in 3/4 cup of the quartered gumdrops.
1 ½ cups quartered green
Roll dough into 1-inch balls using the palm of your hands. (You’ll get about 60.)
Place balls on prepared cookie sheet 2 inches apart. Flatten each ball with the bottom of a glass until they are about a 1-1/2-inch circle.
Sprinkle sparkling sugar on top of each cookie with 3 or 4 quartered gumdrops.
2 tablespoons coarse white sparkling sugar
Bake 9 to 11 minutes or until edges are set and light brown. (watch these closely so they don’t overcook)
Cool 2 minutes; remove from cookie sheet to cooling rack to cool completely.
Store in airtight container.