How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Mustard Onions?

You need 11 ingredients. The key ingredients include: 2 lbs. Onions, sliced, 1/3 c. Bacon Drippings, 1/3 c. Vinegar, 2 Tbsp. Prepared Mustard, and more.

Is Mustard Onions suitable as meat & poultry?

Yes, Mustard Onions falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Mustard Onions?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Mustard Onions Recipe

Name: Mustard Onions
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 lbs. Onions, sliced; 1/3 c. Bacon Drippings; 1/3 c. Vinegar; 2 Tbsp. Prepared Mustard; 1 tsp. Salt; 1 can Tomato Puree (10 oz.); 3/4 c. Boiling Water; 1/4 tsp. Salt; 1 scant c. Brown Sugar; 2 c. Bread Squares; 1/4 c. Melted Butter

Try this homemade Mustard Onions recipe the whole family will love. Made with Onions, Bacon, Vinegar and Salt. Easy step-by-step instructions included.

This Mustard Onions relies on simple, everyday ingredients such as onions, sliced, bacon drippings, vinegar and prepared mustard. It comes together quickly and makes 4 servings, at about 826 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

No specific allergen information. Please check the ingredient list for possible allergens.

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Mustard Onions

Tips for the best results

Variations & substitutions

My Personal Notes

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