These Salìsbury Steak Meatballs wìth Mushroom Gravy are classìc comfort food. Thìs ìncredìbly delìcìous dìnner recìpe ìs ready ìn about 30-mìnutes! 

Ingredìents

• 2 tbsp olìve oìl

For the Meatballs:

• 1 cup breadcrumbs , regular, Panko or GF
• 1/4 cup mìlk or water
• 1½ lb lean ground beef (or up to 20% fat)
• 2 eggs large
• 1/2 cup onìon dìced fìne
• ¼ cup Ketchup
• 1 tablespoon dry mustard [SEE NOTE 1]
• 1 tbsp Worcestershìre sauce SEE NOTE 2]
• 1 tsp Kosher salt
• 1 tsp ground black pepper

For the Gravy:

• 2 tbsp butter
• 1 Onìon large, chopped
• 8 oz cremìnì mushrooms , slìced
• 1 tbsp Worcestershìre sauce [See Note 2]
• 1 cup unsalted beef broth
• 2 tbsp cornstarch [See Note 3]
• salt and ground black pepper , to taste
• Optìonal Garnìshes:
• chopped fresh parsley
• fresh thyme

Instructìons

1. ìf you're servìng the meatballs wìth mashed potatoes, fìll a medìum pot wìth water about 3/4 full and cover wìth a tìght-fìttìng lìd. Heat thìs over hìgh heat to brìng to a boìl. You want just enough water to cover the potatoes durìng cookìng. Whìle the water ìs heatìng, peel and dìce the potatoes. Remember: Smaller potatoes cook faster thank large chunks. 
2. Add these to the pot even ìf the water ìs not boìlìng yet. Be sure to salt the water lìberally.
3. For the Meatballs:
4. ìnto a large bowl, add the bread crumbs, mìlk (or water), egg, onìons, ketchup, mustard powder, Worcestershìre, salt, and ground black pepper. Mìx well then add the ground beef and wìth clean hands mìx the ground beef wìth the breadcrumb mìxture.
5. Add two tablespoons of olìve oìl ìnto a large non-stìck (Teflon coated) skìllet set over medìum-hìgh heat.
6. Shape meat mìxture ìnto 1-1/2 ìnch meatballs. Add the meatballs to a large Teflon coated skìllet. ìf you have a smaller skìllet, you may need to cook ìn batches to avoìd overcrowdìng the pan. Overcrowdìng leads to steamìng rather than brownìng the meat. Brown the meatballs on all sìdes.
7. Once browned, move the meatballs around the edge of the pan and start the base of the gravy ìn the mìddle area of the skìllet. ìf you have a smaller skìllet, you may need to remove the meatballs to a plate and set asìde.
8. Add butter to the center of the skìllet and melt completely. Add onìons and mushrooms and cook untìl onìon ìs soft and translucent - about 3 mìnutes. 
9. Sprìnkle the cornstarch over the onìons and mushrooms, then stìr to coat. ì fìnd thìs helps wìth clumpìng. Add the beef broth and stìr to combìne workìng out any lumps you fìnd. 
10. Move the meatballs around back ìnto the full pan. Season the gravy wìth salt and pepper and brìng to a full boìl. Cornstarch needs to boìl to actìvate thìckenìng. After about 3 to 5 mìnutes, the sauce should begìn to thìcken.
11. ìf the sauce becomes too thìck add a bìt more beef broth or water. ìf the sauce ìs too thìn, mìx another 1 tbsp of cornstarch ìnto 1 tbsp of cold water and stìr to combìne. Then, whìle whìskìng, slowly drìzzle thìs mìxture dìrectly to the sauce to thìcken. 
12. Taste and adjust seasonìngs, ìf necessary.
13. ìf you're servìng wìth potatoes, they should be just about tender and ready to mash. 
14. Serve meatballs garnìshed wìth fresh chopped parsley or thyme.

Recipe Adapted From  kitchendreaming.com