1/2 cup old-fashioned oats
2 1/4 cups all-purpose flour
1 teaspoon baking powder
1 teaspoon baking soda
1/2 teaspoon salt
1 cup unsalted butter, room temperature
1 cup light brown sugar
1 cup granulated sugar
2 large eggs, room temperature
1/2 teaspoon pure almond extract
1/2 teaspoon vanilla extract
1 (12-ounce) bag semisweet chocolate chips
1 cup whole almonds, toasted and chopped
3 pints vanilla ice cream, softened slightly
1/3 cup amaretto liqueur