Three pounds of beef stew meat, portobello mushrooms, black olives, capers, and balsamic vinegar go straight into the slow cooker. The broth is built from beef broth, diced tomatoes, and tomato sauce, with ten garlic cloves and dried rosemary. The pot runs on low for 8 to 10 hours and serves ten.

The balsamic vinegar is what separates this from a standard beef stew broth. Half a cup mellows over 8 hours of cooking into a background note that tightens the tomato base without sharp acidity. That’s why the broth in the finished bowl tastes richer than the ingredient list alone would suggest.

Most slow cooker beef stews call for browning the meat first, and this one skips that step intentionally. Ten garlic cloves, two cans of tomatoes, a full jar of capers, and the olives build enough depth on their own. Skipping the sear saves 10 minutes and leaves almost no flavor behind in the pan.

Slow Cooker Mediterranean Beef Stew

Recipe by Shili MohamedCourse: DinnerCuisine: Mediterranean-AmericanDifficulty: Easy

Servings

10

servings

Prep time

10

minutes

Cooking time

8

hours 

Calories

273

kcal

Slow Cooker Mediterranean Beef Stew with beef stew meat, portobello mushrooms, black olives, capers, balsamic vinegar, and garlic. Ten servings in 8 hours

Ingredients

• Stew

• 3 pounds beef stew meat

• 16 ounces sliced baby portobello or crimini mushrooms

• 1 large onion, chopped

• 10 garlic cloves, minced

• 2 tablespoons dried rosemary

• 2 cups beef broth

• 2 (14.5-ounce) cans diced tomatoes, drained

• 1 (15-ounce) can tomato sauce

• ½ cup balsamic vinegar

• 1 (6-ounce) can black olives, drained

• 1 (2-ounce) jar capers, drained

• Salt and pepper to taste

• Garnish

• Grated Parmesan cheese

• Chopped fresh parsley

Directions

• Add the beef stew meat, mushrooms, onion, garlic, rosemary, beef broth, drained diced tomatoes, tomato sauce, balsamic vinegar, drained olives, and drained capers to a 6-quart slow cooker. Stir gently to combine.
• Cover and cook on low for 8 to 10 hours, until the beef is fork-tender.
• Season with salt and pepper to taste.
• Ladle into bowls and garnish each serving with grated Parmesan cheese and chopped fresh parsley.

FAQs

Can I use green olives instead of black?

Green olives are noticeably sharper and brinier than black, which shifts the balance of the broth after 8 hours of cooking. Black olives fade into the background more gracefully and let the balsamic and rosemary lead. If green is all that’s available, use half the quantity to avoid the broth turning too sharp.

Why is the beef still tough after 8 hours?

Chewy meat after the full cook usually means the beef needs more time, not that anything went wrong. Connective tissue in stew meat breaks down slowly, and some batches of chuck or stew cuts need the full 10 hours rather than 8. Cover and add another hour before checking again.

Can I reduce the amount of garlic?

Ten cloves for a 10-serving pot is one clove per serving, and the slow cook mellows raw garlic considerably over 8 hours. Reducing to 6 cloves produces a noticeably milder stew, but nothing about the recipe breaks. Going below 4 cloves loses the base note the rosemary leans on.

What other slow cooker beef recipe fits the same weekly rotation?

The barley build on a different night gives beef a completely different format without a new shopping trip. A slow cooker beef barley soup on this site uses beef, broth, barley, and vegetables in a longer, grainier bowl. The two cover different textures and broth profiles from the same protein across the week.

What slow cooker soup works on a lighter meatless night?

On nights when a vegetable-only bowl fits better, a mushroom-forward option covers that slot without any prep overlap. A slow cooker cream of mushroom soup on this site builds from mushrooms and broth in the same appliance. Together the two give a weekly rotation opposite ends of the soup spectrum