Ingredients
1/2 cup (125 mL) unsalted butter, at room temperature
1/3 cup (75 mL) peanut butter
1/2 cup (125 mL) + 3 tbsp (45 mL) granulated sugar
2 egg yolks
2 tsp (10 mL) vanilla
1 1/2 cups (375 mL) all-purpose flour
28 mini peanut butter cups
icing sugar
Preparation
Preheat oven to 350°F (180°C). Line 2 baking sheets with parchment paper.
Place butter and peanut butter in a large bowl. Using an electric mixer, beat on high until very creamy.
Beat in ½ cup (125 mL) sugar until well blended. Then beat in egg yolks, one at a time, scraping down sides as needed. Beat in vanilla and then flour until combined.
Place 3 tbsp (45 mL) sugar in a shallow dish. Form dough into 1-inch (2.5-cm) balls, and roll in the sugar. Place on prepared baking sheet about 2 inches (5 cm) apart. Use your finger to press into centre of each dough ball to form an indent.
Bake in preheated oven for 10 minutes. Remove from oven, place a peanut butter cup in indent and then continue to bake until golden and set, about 6 to 8 more minutes.
Remove to a rack to cool completely. When completely cool, dust with icing sugar.