Slow Cooker Green Bean Casserole Recipe

Slow Cooker Green Bean Casserole

How To Make Slow Cooker Green Bean Casserole

This light and tasty green bean casserole is a hearty side that’s slow cooked to tender perfection in a mix of creamy mushroom and crispy onion on top.

Preparation: 5 minutes
Cooking: 2 hours 45 minutes
Total: 2 hours 50 minutes



  • 3cupsFrench’s French Fried Onions,divided
  • 10¾ozcream of mushroom soup,(2 cans)
  • 1canevaporated milk
  • 2tbspflour
  • ½tspcoarse ground black pepper
  • ½tspgarlic salt
  • 3lbsgreen beans,cut in half
  • 8ozmushrooms,sliced, chopped, optional


  1. Mix 1 cup of the fried onions, mushroom soup, evaporated milk, flour, black pepper, and garlic salt in a measuring cup with a whisk.

  2. Add the green beans and mushrooms to the slow cooker, then add the sauce mixture and toss well.

  3. Cover and cook on High for 2 hours.

  4. Add the onions to the top of the casserole, cover the top of the slow cooker insert with a clean cloth kitchen towel, and cook on High for an additional 45 minutes.

  5. Serve warm, and enjoy!


  • Calories: 252.53kcal
  • Fat: 12.01g
  • Saturated Fat: 4.30g
  • Trans Fat: 0.01g
  • Monounsaturated Fat: 4.30g
  • Polyunsaturated Fat: 2.51g
  • Carbohydrates: 31.82g
  • Fiber: 4.52g
  • Sugar: 7.27g
  • Protein: 7.05g
  • Cholesterol: 8.92mg
  • Sodium: 355.68mg
  • Calcium: 152.68mg
  • Potassium: 520.93mg
  • Iron: 1.93mg
  • Vitamin A: 60.21µg
  • Vitamin C: 17.43mg
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