Prep Time::30 mins
Cook Time::50 mins
Additional Time::35 mins
Total Time:: 1 hr 55 mins
Servings::32
Yield::64 1-inch squares
Ingredients
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Base:
1 cup all-purpose flour
2 tablespoons confectioners' sugar
½ cup butter
⅓ cup seedless raspberry jam
Filling:
⅔ cup white sugar
½ cup butter, softened
2 eggs
⅔ cup rice flour
10 drops red food coloring, or as needed
Icing:
2 cups confectioners' sugar, or as needed
⅓ cup butter, softened
1 tablespoon milk, or as needed
1 teaspoon maple extract
Directions
Preheat oven to 300 degrees F (150 degrees C). Line bottom and sides of an 8-inch square baking pan with parchment paper; crease corners well.
Whisk together 1 cup flour and 2 tablespoons confectioners' sugar; cut in 1/2 cup butter until mixture resembles fine crumbs. Pat mixture evenly into prepared pan.
Bake in the preheated oven for 20 minutes; remove to cool on a wire rack, about 15 minutes. Top base evenly with raspberry jam.
Preheat oven to 375 degrees F (190 degrees C).
Beat white sugar and 1/2 cup butter together until fluffy; beat in eggs until fluffy and pale yellow. Beat rice flour into egg mixture until well combined; stir in food coloring until batter reaches desired shade of red. Spread batter evenly over jam layer.
Bake in the preheated oven until a toothpick inserted into the center comes out clean, about 30 minutes. Cool completely in the pan; about 20 minutes.
Beat 2 cups confectioners' sugar and 1/3 cup butter together in a bowl with an electric mixer until smooth; stir in milk and maple extract. Spread icing evenly over cooled bars.
Hold edges of parchment paper; lift squares out of pan to a cutting board. Slice into 1-inch squares with a very sharp knife.
Cook's Notes:
Substituting almond extract for the maple is delightful for a marzipan-flavored square. Paste food coloring works best. Other colors may be used for other holidays, such as red and green for Christmas, or pink and blue for a baby shower.
More maple extract may be added, but it will tint the white icing slightly.