Can I use oven to reheat food?

Option 2: Oven This option is best for casseroles but not so great for anything stir-fried, sautéed or steamed . Heat the oven to 200–250°F (90–120°C). Place the leftovers in an oven-safe dish and cover with aluminum foil to maintain moisture. Reheating time will vary depending on the leftovers.

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