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 Sylvia's Meatballs?

You need 6 ingredients. The key ingredients include: 1 lb lean ground beef, 1 medium onions, chopped very fine or 1 (1 1/4 ounce) package dry onion soup mix, 1 teaspoon Oxo beef cube (only if you aren't using onion soup mix), 1 tablespoon prepared mustard, and more.

Is Sylvia's Meatballs suitable as meat & poultry?

Yes, Sylvia's Meatballs falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Sylvia's Meatballs?

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

Sylvia's Meatballs Recipe

Name: Sylvia's Meatballs
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 lb lean ground beef; 1 medium onions, chopped very fine or 1 (1 1/4 ounce) package dry onion soup mix; 1 teaspoon Oxo beef cube (only if you aren't using onion soup mix); 1 tablespoon prepared mustard; 1 egg; ¼ cup breadcrumbs or 6 soda crackers or ¼ cup oats

Try this homemade Sylvia's Meatballs recipe the whole family will love. Made with lean ground beef, onions, Oxo beef and mustard. Easy step-by-step inst…

This Sylvia's Meatballs relies on simple, everyday ingredients such as lean ground beef, prepared mustard and egg. It comes together quickly and makes 4 servings, at about 360 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

Servings: persons

1 lb lean ground beef
1 medium onions, chopped very fine or 1 (1 1/4 ounce) package dry onion soup mix
1 teaspoon Oxo beef cube (only if you aren't using onion soup mix)
1 tablespoon prepared mustard
1 egg
¼ cup breadcrumbs or 6 soda crackers or ¼ cup oats

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
360 kcal
Category
Meat & Poultry

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