• Preheat oven to 350 degrees F. Line cookie sheet with parchment paper.
• Beat butter and 1 cup of the sugar and the powdered sugar.
• Slowly add oil, lemon juice, lemon zest and eggs.
• Combine well.
• Add flour, salt, baking soda, cream of tartar until a dough forms.
• Roll into 1 inch balls and place on parchment paper.
• On a plate, pour ¼ c of sugar.
• Use the bottom of a glass and dip it in the sugar then into the dough ball to flatten it a bit. The thinner, the crisper.
• Bake8-10 mins.
• Keep chilled.

Frosting

• Beat butter, powdered sugar and sour cream.
• Beat until smooth and fluffy.
• Fold in strawberries which will tint it pink.
• Frost cookies and store in fridge.
• Serve with powdered sugar and berries on top if desired.