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 Grandpa'S Barbecue Sauce?

You need 13 ingredients. The key ingredients include: 1 lb. onions, 1 c. water, 1 (32 oz.) bottle catsup, 1/8 c. mustard, and more.

Is Grandpa'S Barbecue Sauce suitable as general?

Yes, Grandpa'S Barbecue Sauce falls under the General category and is a great choice for this type of meal.

How do I store leftover Grandpa'S Barbecue Sauce?

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

Grandpa'S Barbecue Sauce Recipe

Name: Grandpa'S Barbecue Sauce
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 lb. onions; 1 c. water; 1 (32 oz.) bottle catsup; 1/8 c. mustard; 2 lemons, sliced; 1/4 c. lemon juice; 1/2 c. vinegar; 1/2 c. Worcestershire sauce; 1 stick oleo; 1/4 c. brown sugar; salt to taste; pepper to taste; hot sauce to taste

Try this homemade Grandpa'S Barbecue Sauce recipe the whole family will love. Made with onions, water, catsup and mustard. Easy step-by-step instruction…

This Grandpa'S Barbecue Sauce relies on simple, everyday ingredients such as onions, water, (32 oz.) bottle catsup and mustard. It comes together quickly and makes 4 servings, at about 155 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

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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Grandpa'S Barbecue Sauce

Tips for the best results

Variations & substitutions

My Personal Notes

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