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sheet pan of sliced peppers and onions

How to Freeze Peppers and Onions

Save money and time by learning how to freeze peppers and onions. Frozen peppers and onions can be used in a breakfast hash or cooked with steak slices or chicken cutlets for an easy dinner like fajitas. This is a great way to avoid wasting extra peppers and onions.

  • Total Time: 8 hours 15 minutes
  • Yield: 4 1x


  • 2 whole onions (red, white, yellow)
  • 2 whole sweet bell peppers (any color)


  1. Wash and dry produce.
  2. Slice onions at least in half, or go ahead and slice or dice to desired “recipe ready” format.
  3. Slice peppers in half and discard seeds and ribs. Slice and dice to desired shape.
  4. Freeze in a single layer on a parchment-lined sheet for 8-12 hours.
  5. Once frozen, add to labeled and dated zip-top freezer bags for long term storage.
  6. Use in any recipe for easy meal prep!


  1. Freezing in a single layer first ensures they don’t all stick together in the bag.
  2. Gently press your zip-top bag after filling to remove as much air as possible out of the bag before freezing.
  3. Store in the freezer for 10-12 months.
  4. To save even more time, feel free to slice or dice your onions and peppers – keeping bags of various sizes means you are ready for any recipe, whether it is soup or fajitas.
  5. Have a food processor? You can use the dicing disk to make quick work of this prep work!


  • Serving Size:
  • Calories: 47
  • Sugar: 5.8 g
  • Sodium: 5.5 mg
  • Fat: 0.3 g
  • Saturated Fat: 0 g
  • Carbohydrates: 10.1 g
  • Fiber: 2.7 g
  • Protein: 1.4 g
  • Cholesterol: 0 mg

Keywords: freezing bell peppers, freezing onions, frozen peppers and onions