Quick Pickled Red Onions add a punch of color and flavor to a variety of meats, tacos, sandwiches, salads, and more. This easy-to-make condiment also happens to be evidence that delicious recipes can be found in the most unexpected places!
College dining services have come a long way since I was in school, that’s for sure!
Most schools these days cater to a variety of dietary and religious needs, from vegan and gluten-free to kosher and halal. Ethnic food stations are commonplace and there’s often a push towards local ingredients. Words like “from scratch”, “sustainable”, and “fair trade” are the new standard, and many colleges and universities proudly serve produce from their own gardens.
After a tour at Bowdoin College with my younger son last summer, we were encouraged to grab lunch in the dining hall, where I filled my plate with a rainbow of salad bar options. After a few bites, I went back for more of one particularly memorable ingredient: pickled onions.
As I heaped the vibrant pink ringlets onto my plate, I chatted with one of the dining hall employees and learned that most of the crisp greens, colorful veggies, and fragrant herbs came from campus gardens. All of the dressings, including the fresh basil vinaigrette I had chosen, were homemade daily, and the staff clearly took pride in the all that they served.
Back at our table, my family thought it was mildly funny that I was most enthralled with the onions, so I insisted they taste them. They agreed that these were altogether different than the typical salad bar onions and were ultimately grateful when Jesse, one of the supervisors, shared the recipe.
Because I cook for a small family, not hundreds of students, I scaled the recipe down dramatically. That said, the simple recipe keeps in the refrigerator for weeks and need not be canned. For added ease, additional onion slices can be added to the brine when the initial batch runs out.
In an effort to reduce the added sugar as much as possible, I tried the recipe with a range of lesser amounts. All of my tasters preferred the flavor of the recipe with the amount stated below. The sugar tames the sharpness of the onions, but keep in mind that most of that sugar remains in the brine.
Between the shocking pink color and zesty flavor, these onions brighten a variety of dishes. Try them on green salads, burgers, tacos, grilled fish and meats, pulled pork, and mayo-based salads like potato, egg, or macaroni.
As an added bonus, all of the easy recipes from the past few weeks—the Spanish rice, cumin lime coleslaw, creamy avocado lime sauce (classic guacamole works well, too!), and crispy pork carnitas—can be incorporated into one casual yet company-worthy dish. I start with a base of rice, and then layer on some pork and coleslaw. From there, you can top as you would your favorite burrito bowl or taco, making sure to add a liberal helping of these pretty pickled onions on top!
Bowdoin Quick Pickled Red Onions
Ingredients
- 2 small red onions, peeled and very thinly sliced into rings or half moons
- 1/2 cup + 2 tablespoons (150ml) unseasoned rice vinegar*
- 1/2 cup water
- 3/4 cup (144g) granulated sugar**
- 1-1/2 teaspoons pickling spice***
- 3/4 teaspoon kosher salt
Instructions
- Add the vinegar and water to a small to medium pot, and then stir in the sugar, pickling spice, and salt. Bring the mixture to a simmer over medium heat, stirring occasionally. As soon as the mixture begins to boil, remove the pan from the heat, stir to make sure the sugar and salt are dissolved, and set aside for 5 minutes. (I slice the onions during this time.)
- Place the onion slices in a large glass or ceramic bowl. After 5 minutes, strain the vinegar solution over the onion slices. (The mixture will still be hot. The short rest gives the pickling spices time to infuse the liquid—but you want to strain and discard the spices because they’re a bit pungent to eat.)
- Press down on the onions so all the pieces are submerged, and then let the mixture cool to room temperature. The onions will soften, so if they don’t all submerge right away, they will after sitting in the warm brine for several minutes.
- For storage, keep the onions in the brine and use a lidded, non-reactive (glass or ceramic) bowl or jar. (Most metals will react with the vinegar, and plastic will absorb the flavors.) The onions will taste good right away, but the flavor improves after several hours in the fridge and even more over the first day or two. The onions will keep, refrigerated, for 2-3 weeks.
Notes
Tips on slicing:
For uniformly thin slices, a mandolin is helpful but not required. I gave away a fancy but cumbersome model years ago, only to find a small, less expensive alternative last year that works far better. For those who may be interested, the model I use is Prepworks by Progressive Adjust-a-Slice Mandoline that I found at Mise en Place on Queen Street in downtown Lancaster. (I don’t benefit from this, by the way–I simply mention a helpful tip!) It can be adjusted to slice or julienne at various thicknesses. Note that the blade is extremely sharp, so be certain to always use the accompanying hand guard. (I learned this the hard way!)
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