1c butter, softened
1c firmly packed light brown sugar
1 ½ c granulated sugar, divided
4 large eggs
1 Tbsp. vanilla extract
1 tsp. baking powder
¾ tsp. salt
3 ¼ c all-purpose flour, divided
3 (6oz) pkgs. Blackberries (about 4 cups)
4c peeled and sliced fresh firm, ripe peaches
3 Tbsp. bourbon
1c roasted glazed pecan pieces
Preheat oven to 350 degrees. Beat first 2 ingredients and 1 cup granulated sugar at medium speed with an electric mixer until creamy. Add eggs, one at a time, beating just until blended after each addition. Stir in vanilla.
Stir together baking powder, salt, and 3 cups flour; gradually add to butter mixture, beating just until blended. Spread three-fourths of batter in a greased and floured 13x 9-inch pan; sprinkle with blackberries. Stir together remaining ½ cup granulated sugar and ¼ cup flour in a medium bowl; add peaches and bourbon, stirring to coat. Spoon mixture over blackberries.
Stir pecans into remaining batter; dollop over peach mixture. Bake at 350 degrees for 1 hour or until golden and bubbly. Cool completely on a wire rack (about 1 hour). Cut into bars. Enjoy!