Pickled Vidalia and Red Onions - Martha Stewart Living

Yield:	1 Half-gallo
Categories:	Pantry, Pickles, Soups

3	c	Vinegar
6	tb	Kosher salt
6	tb	Sugar
2		Vidalia onions, peeled and sliced into 1/4-inch-thick rings
2		Red onions, sliced into 1/4-inch-thick rings
1		Garlic shoot (optional)