Layer small handful of chopped onions and about 1/8 cup sugar. You can sip on it continuously or drink it in ¼ to ½ cup intervals three times per day. Sip the broth in a cup to bring the steam and onion close to your nose 2. Consequently, raw onion can help to clear congested sinuses. The onion is sliced thin and simmered in sweetened water until it is quite soft, 45 minutes to an hour. Simply chopping up a few raw onions may be enough to clear your sinuses. Since heat and steam are other home remedies for congestion, you may want to add chunks of raw onion to hot broth 2. DIRECTIONS Use a clean 1 quart glass jar for making syrup and storing. One is onion syrup.

It does taste rather strongly of onion. This mixture might help relieve congestion and mucous that causes a cough. Keep layering until jar is full. Use. Make Onion Syrup as a Home Remedy for Cough: If you have a cold rather than the flu, there are several home remedies to control a cough. Many readers assure us that it is delicious. Drink the onion broth as tolerated throughout the day.