Onion Sauce


2 medium onions, peeled and chopped
1 tablespoon butter
1 tablespoon flour
1 cup milk
1 tablespoon lemon juice
salt and black pepper to taste


  • Melt the butter, add onions and cook until golden brown.
  • Add flour, stir well and gradually add milk, salt and pepper.
  • Let it boil for 10 to 15 minutes, than add lemon juice and pass everything through a sieve. 
  • Serve hot poured over meat or separately in a sauce bowl.

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Did You Know?
Why do onions make you cry?

As onions are sliced, cells are broken open. Onion cells have two sections, one with enzymes called allinases, the other with sulfides. When the enzymes mix with the sulfides (amino acid sulfoxides), sulfenic acids are formed. Sulfenic acid is unstable and decomposes into a volatile gas called syn-ropanethial-S-oxide. The gas then dissapates through the air and eventually reaches one's eye, where it will react with the water to form a mild sulfuric acid. The sulfuric acid irritates the nerve endings in the eyes, making them sting.

The release of gas can thus best be prevented by cutting the onions under running tap water or completely under water. This is not very practical of course. For more tips and information, please check links in External links section.

Different species of onions will release different amounts of sulfenic acids, thus some will cause more tear formation than others.

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