In a large bowl, whisk the eggs, sugar and oil. Combine flour, almonds, baking powder and salt; gradually add to sugar mixture until well combined. Chill until firm. , Divide dough into three pieces. Roll each piece into an 8-in. x 2-in. rectangle; place on a greased baking sheet. , Bake at 350° for 15-20 minutes or until firm to the touch. Cool on a wire rack for 15 minutes. Reduce heat to 300°., Carefully cut each rectangle into 1/2-in. slices. Place slices cut side down on baking sheets. Bake for 8-10 minutes. Remove to wire racks to cool.