Simple Slow Cooker Irish Stew

Ingredients (7 items)

You have this You need this

• 2 tablespoons vegetable oil, or as needed
• 2 pounds cubed beef stew meat
• 6 potatoes, peeled and diced
• 4 medium yellow onions, sliced
• 1 ½ cups water
• 2 beef bouillon cubes
• salt and ground black pepper to taste