Prep the ingredients: grate the butter using a vegetable grated, into a separate bowl cut the cream cheese into 1/4-inch pieces. Mix the half and half with the egg and vanilla extract and refrigerate.Place back in the refrigerator. Measure the sugar into a large bowl then use a fork to mix the orange zest into the sugar.
Add the flour, baking powder and the chopped candied oranges and mix to incorporate.
Mix the cold cream cheese into the flour mixture and toss it so coat the pieces with flour.
Add the butter, then use your hands (or a pastry cutter) to work the cream cheese and butter into the dry ingredients until no dry flour remains and the mixture feels slightly damp, similar to light brown sugar.
Make a hole at the center of the bowl and pour in about 1/2 of the half-and-half mixture.
Use a fork to mix in the liquids with the flour. If needed, add about 1 tablespoon at atime of the half-and-half.
Use your hand to press the mixture into a dough. Do not knead.
Transfer the dough to a large baking pan lined with parchment paper and use your hands to shape it into a 14-inch circle.
Place the pan in the refrigerator or freezer while you warm the oven to 375F.
Use a knife to cut the dough into 8- wedges.
Brush each wedge with the left overs hald-and-half mixture and bake over the middle oven rack for 25-30mminutes.