Juice the lemon and put the lemon juice is a large mixing bowl. I like to us a citrus press to get out as much juice as possible. Remove any seeds from the bowl.
Cut each of the apples into quarter, remove the cores. Then dice the apples into small pieces. Place the diced apples in the bowl with the lemon juice and toss them to coat the apples in the lemon juice.
Remove all the stems from the strawberries. Quarter them and add them to the mixing bowl with the apples.
Remove any stems and leaves from the blueberries. Then add the blueberries to the large bowl as well.
Loss the fruit in the bowl to thoroughly combine them together. Then gently stir in the mandarin oranges, being careful not to smash them as you mix them in.
Serve immediately or store in the refrigerator until ready to serve.
Notes
This recipe can be made 1-4 hours before serving.Store any leftovers in the refrigerator for up to 1 day.Make sure to use freshly squeezed lemon juice to keep the apples from browning.This recipe made approximately 16 1/2 cup serving.