PREHEAT oven to 350°F. Mix flour, baking powder and salt in medium bowl; set aside. Beat butter and 3/4 cup sugar in large bowl with electric mixer on medium speed until light and fluffy. Add eggs, one at a time, beating well after each addition. Blend in extract. Add flour mixture; beat just until blended.
SPREAD into greased 9-inch round cake pan. Top with apricot slices; sprinkle with 1 Tbsp. sugar.
BAKE 40 to 45 min. or until toothpick inserted in center comes out clean. Cool completely.