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.