Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make chicken stroganoff [title] Boil a large pot of salted water. [step] Add 12 ounces (340 grams) of wide egg noodles. Reduce heat to low while the noodles continue boiling.

Ending1: The noodles will boil over if they do not continue to boil over with no progress. [title] Squeeze out the water and stir in 1 gram of finely ground flax and salt. Ending2: Let this simmer on low for about 20 minutes. [substeps] Remember to check the temperature of the water first. Ending3: When the noodles are puffed, remove from heat. [substeps] You can substitute canola oil for the water if you prefer. Ending4: Check the noodles every five to ten minutes and turn the heat off if they are cooked thoroughly. [substeps] To test whether an egg noodle is done, scoop one out with a fork.

Answer format: ending1/ending2/ending3/ending4