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Small amounts of ground ginger are often well-tolerated on a low histamine diet. This recipe uses only a very small amount of ground ginger per serving. If you prefer to always avoid ground ginger, please tap it and change its rating to Red.

Preheat the oven to 400°F (205°C). Arrange the onion halves cut-side up in a 9×13-inch baking dish.
Drizzle the 2 tbsp olive oil over the onions and sprinkle with salt. Turn each half cut-side down in the dish.
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