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Homemade lemon bars taste so good and can be made easily in an 8″ x 8″ casserole dish in the convection oven of your RV.  If you want to make up this recipe ahead of an RV trip the recipe can be doubled and baked in a 9″ x 13″  casserole dish.

Want more recipes like this?  Check out my Leisure Adventure cookbook at:



1/2 cup unsalted butter

1/4 cup sugar

1 cup flour

Lemon Filling:

3/4 cup sugar

1/8 cup flour

1/4 cup lemon juice

zest of 1 lemon

2 eggs


  1. Preheat convection oven to 350 degrees.
  2. In a medium bowl combine crust ingredients using freshly washed hands.
  3. Lightly grease an 8″ x 8″ casserole dish with butter then pat crust ingredients into the pan.
  4. Insert metal rack into the convection oven and bake crust for approximately 15 minutes                                                    or until crust is starting to lightly brown.
  5. Using pot holders, remove crust from the oven and place on the stove.
  6. Whisk filling ingredients together, pour over warm crust and return the lemon bar mixture to the convection oven, elevating the lemon bars on the metal convection oven rack.
  7. Bake the lemon bars for approximately 18 minutes or until the filling is set.
  8. Using pot holders, remove the 8″ x 8″ casserole dish from the convection oven and allow to cool on the stove-top.
  9. When the dish is cool to touch, sprinkle the lemon bars with powdered sugar and cut the bars into serving portions.

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