Martha's cherry oat scones

My husband used to make these for me. They are moist.

1 1/4 c. Whole wheat flour
2 c. Flour
3/4 c. sugar
3/4 t. Salt
1 t. Baking soda
2 1/2 t. Baking powder
2 1/2 c. Oats
1 c. Died sour cherries, roughly chopped
10 oz. chilled, unsealed butter, cut into 1/2 in. pieces
2/3 c. Buttermilk
1 T. Heavy cream
1 T. Sugar for sanding

Line a 11x17 in baking pan with parchment. Combine dry ingredients except sanding sugar and cherries. Add butter to a coarse meal. Add buttermilk. Add cherries.

Turn onto a cleaned work surface. Pat into a 16 x 3 1/2 inch rectangle that is 1 1/2 in high. score rectangle into 10 triangles. Cover with plastic wrap. Freeze for 2 hours.

Heat oven to 350 degrees. Remove dough from the freezer. Cut into triangles with a sharp knife. Place scones two inches apart. Brush with heavy cream. Sprinkle with sugar.  Bake 30 minutes.