Lemon or Lime Bars

Ingredients:
Crust:
1 cup butter, softened (not melted)
2 cups flour
1/2 cup powdered sugar
1/4 teaspoon sea salt

Filling:
4 eggs
2 cups sugar
3 Tablespoons lemon or lime juice
1 Tablespoon water
1/4 cup corn starch
6 drops Lemon or Lime essential oil (or more to taste)

Topping:
1/3 to 1/2 cup powdered sugar
1 drop Lemon or Lime essential oil

Directions:
Mix crust ingredients with a pastry blender. Press into the bottom of a 9 x 13 inch pan. (For nicer presentation, line pan with parchment paper so you can lift bars out of pan) Bake at 350 degrees Fahrenheit for 15 minutes. While baking, mix eggs and sugar until light and fluffy. Add the remaining filling ingredients. Pour mixture over semi-cooked crust and bake at 350 degrees Fahrenheit for 25-30 more minutes. Mix powdered sugar and citrus oil in baggie and shake it up. When lemon/lime bars are done, sprinkle with citrus-infused powdered sugar on top by putting into metal strainer and shaking onto warm bars (let them cool a bit, but not completely).

Found in the Natural Living section of The Essential Life book, page 330.