Preheat oven to 350 degrees. Line three 13 inch by 9 inch metal
baking pans with foil leaving overhang
Grease with 2 tablespoons butter and set aside
Put egg whites in bowl of a stand mixer fitted with a whisk beat
until soft peaks form
Slowly add 1/3 cup sugar beating until still peaks form
Transfer to a large bowl cover and chill
Using the paddle attachment beat almond paste and remaining
sugar on medium low until incorporated 4 to 5 minutes
Increase speed to medium high gradually add remaining butter
Beat until fluffy beat in yolks then flour and salt
Fold in whites in two additions
Divide batter evenly among 3 bowls mix red coloring into one bowl
and green coloring into second bowl leave third bowl plain
spread one bowl of batter into each prepared pan smooth tops
bake rotating pans halfway through until just set about 9 to 11
minutes
Let cool in pans
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