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 Sub/Hoagie Sauce-Diana Style?

You need 16 ingredients. The key ingredients include: 1 white onion, chopped fine, 2 tablespoons vegetable oil, 3 tablespoons stone ground mustard, 2 tablespoons onion powder, and more.

Is Sub/Hoagie Sauce-Diana Style suitable as general?

Yes, Sub/Hoagie Sauce-Diana Style falls under the General category and is a great choice for this type of meal.

How do I store leftover Sub/Hoagie Sauce-Diana Style?

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

Sub/Hoagie Sauce-Diana Style Recipe

Name: Sub/Hoagie Sauce-Diana Style
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 white onion, chopped fine; 2 tablespoons vegetable oil; 3 tablespoons stone ground mustard; 2 tablespoons onion powder; 2 tablespoons granulated garlic; 2 tablespoons honey; 1 tablespoon Mexican oregano; 1 tablespoon dried dill; 2 teaspoons kosher sea salt; 2 teaspoons Worcestershire sauce; 1 teaspoon black pepper; 1 teaspoon mustard powder; 1 cup extra virgin olive oil; ½ cup chopped chives, fresh; ¼ cup malt vinegar; ¼ cup cider vinegar

Try this homemade Sub/Hoagie Sauce-Diana Style recipe the whole family will love. Made with white onion, vegetable oil, stone ground mustard and onion p…

This Sub/Hoagie Sauce-Diana Style relies on simple, everyday ingredients such as white onion, chopped fine, vegetable oil, stone ground mustard and onion powder. It comes together quickly and makes 4 servings, at about 670 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 General

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

Swap the honey for maple syrup or agave for a slightly different but equally rich sweetness.

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

My Personal Notes

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Sub/Hoagie Sauce-Diana Style

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions