Rinse & drain blueberries.
Put one half of blueberries in casserole dish.
Mix sugar, lemon peel, and cinnamon.
Add half of the sugar mixture to the blueberries and mix again.
Drizzle 1/2 Tbsp lemon juice over blueberries.
Dot blueberries with butter or margarine.
Add remaining blueberries to the casserole dish.
Top with the remaining sugar mixture and lemon juice.
Dot with butter or margarine.
Bake at 350 for 20 minutes.
While that is baking make the biscuit crust.
Sift together flour, baking powder, and salt.
Cut in the lard with a pastry blender or two knives until mixture resembles coarse corn meal.
Make a well in the center of the dry ingredients and pour in 1 cup of buttermilk.
Stir with a fork until the dough follows the fork.
Drop by spoonfuls on top of the blueberry mixture once it is done baking.
Bake at 450 for an additional 10 to 15 minutes or until biscuits are lightly browned.