Slow Cooker Hot Beef Sandwiches Au Jus Recipe | Say Mmm

Ingredients

• 1 (4 to 5 lb.) beef rump roast
• 1 (1 oz.) pkg. dry onion soup mix
• 2 teaspoons sugar
• 1 teaspoon dried oregano leaves
• 2 (10 1/2 oz.) cans condensed beef broth
• 1 (12 oz.) can beer or nonalcoholic beer
• 2 garlic cloves, minced
• 16 onion buns, split