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5 from 2 votes

Lazy Slow Cooker Mushroom Spinach Lasagna

Slow cooker spinach mushroom lasagna is an easy and delicious vegetarian meal. This amazing dish made with fresh veggies, savory sauce and soft noodles will be come a fast favorite!
Prep Time25 minutes
Cook Time6 hours
Total Time6 hours 25 minutes
Course: Brunch, dinner, lunch, Main Course
Cuisine: Italian
Keyword: Crockpot lasagna, Easy slow cooker lasagna, slow cooker spinach mushroom lasagna, vegetable lasagna
Servings: 6 servings
Calories: 543kcal

Equipment

  • 6 qt. slow cooker or casserole crockpot
  • cutting board and knife
  • slow cooker liner or parchment paper (optional)
  • spoons for mixing

Ingredients

  • 15 oz. ricotta cheese
  • 2 eggs beaten
  • 2 teaspoon minced garlic
  • 1 teaspoon salt
  • 1 teaspoon dried basil
  • ½ teaspoon ground pepper
  • cups shredded mozzarella cheese divided
  • 2 cups baby spinach leaves tightly packed
  • 16 oz. sliced button mushrooms
  • 8-12 oz. lasagna noodles uncooked
  • 4 cups marinara sauce or about 1.5 24 oz. jars
  • 8 oz. fresh mozzarella sliced
  • grated Parmesan cheese optional
  • fresh basil optional
  • non-stick cooking spray

Instructions

  • in a medium bowl, combine ricotta cheese, beaten eggs, garlic, teaspoon salt, basil, pepper and 1 cup of shredded mozzarella cheese. mix and set aside
    15 oz. ricotta cheese, 2 eggs, 2 teaspoon minced garlic, 1 teaspoon salt, 1 teaspoon dried basil, ½ teaspoon ground pepper, 1½ cups shredded mozzarella cheese
  • line slow cooker with liner or parchment, if using
  • spray inside of liner or inside of slow cooker with non-stick spray of choice
  • spread a few tablespoons of marinara sauce on bottom of the slow cooker
    4 cups marinara sauce
  • place a single layer of uncooked lasagna noodles on top of sauce. you may need to use some broken lasagna noodle pieces to make a complete layer.
    8-12 oz. lasagna noodles
  • spread a layer of ricotta cheese mixture over noodles
  • place a layer of mushrooms on top of cheese
    16 oz. sliced button mushrooms
  • cover mushrooms with a layer of spinach
    2 cups baby spinach leaves
  • spoon a layer of sauce over the top of the spinach
    4 cups marinara sauce
  • repeat all steps starting with the lasagna noodle layer 1-2 times, depending on the depth of your slow cooker
  • top with a layer of sauce followed by a layer of fresh mozzarella slices and remaining shredded mozzarella
  • cover and cook on low for 4-6 hours.
  • use a spatula to cut pieces of finished lasagna to served and enjoy!

Notes

** The dish in the photos was made in a casserole slow cooker. It is a very shallow crockpot so I was only able to include 2 layers. A regular slow cooker should hold 3 easily.

Nutrition

Calories: 543kcal | Carbohydrates: 44g | Protein: 34g | Fat: 26g | Saturated Fat: 15g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 143mg | Sodium: 1751mg | Potassium: 1079mg | Fiber: 5g | Sugar: 10g | Vitamin A: 2487IU | Vitamin C: 16mg | Calcium: 536mg | Iron: 4mg
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