Place 5 cups of your favorite cereal flakes along with the pecans into a food processor. Pulse ten times. Stir in 1 tablespoon orange zest, honey and butter.
Press in the bottom of a tart shell. Bake at 350 for 10 to 15 minutes or until golden brown. Remove from oven and cool completely. You can make this the day ahead and cover.
Stir remaining orange zest into the container of Mountain High Honey Yoghurt. Refrigerate until ready to serve.
Pour Yoghurt into tart shell and top with berries. Serve immediately.