HEAT oven to 350°F.
MIX graham crumbs, sugar and baking powder in large bowl. Beat egg, milk and honey with whisk until well blended. Add to crumb mixture; stir just until moistened. Stir in 1 cup cookies.
SPOON into 12 greased muffin cups. Toss remaining cookies with marshmallows. Sprinkle over batter; press lightly into batter.
BAKE 16 min. or until toothpick inserted in centres comes out clean. Cool in pan 5 min. before removing from pan. Serve warm.