Step 1Using sharp metal cookie cutter about 2 inches in diameter, cut each graham square into a circle. Place each in paper-lined cup of muffin pan.
Step 2Brush each graham with butter. Combine brown sugar and cinnamon. Sprinkle each cracker with cinnamon-sugar mixture.
Step 1Cream cream cheese with granulated sugar and flour. Blend in eggs, vanilla, lemon extract and half and half. Pour into prepared muffin cups. Bake at 350 degrees until just set, 20 to 30 minutes. Cool well (or freeze). Dust with powdered sugar.