Spinach Lasagna

14 ingredients
14 steps

Ingredients

  • 1 medium onion, quartered
  • 1 cup fresh basil leaves
  • 1 Tbs. dried oregano
  • 2 cloves garlic, peeled, plus 1 clove minced (1 tsp.), divided
  • 1 8-oz. pkg. tempeh, cut into chunks
  • 1 28-oz. can chopped fire-roasted tomatoes
  • 2 Tbs. olive oil, plus more for oiling slow cooker
  • 1 tsp. salt
  • 1/2 tsp. ground black pepper
  • 2 10-oz. pkgs. frozen spinach, thawed and drained
  • 8 oven-ready lasagna noodles
  • 1 16-oz. jar roasted red peppers, rinsed and drained
  • 1 16-oz. container low-fat ricotta cheese, divided
  • 1 cup grated Swiss cheese, divided

Directions

  1. 1
    Place onion, basil, oregano, and 2 whole garlic cloves in food processor; pulse 6 times, or until onion and garlic are chopped.
  2. 2
    Add tempeh, and pulse until tempeh is ground.
  3. 3
    Add tomatoes, oil, salt, and pepper; pulse until chunky sauce forms.
  4. 4
    Combine spinach and minced garlic in bowl, and season with salt and pepper.
  5. 5
    Coat bottom and sides of 4-quart slow cooker with oil.
  6. 6
    Spread 1 cup tomato sauce over bottom, and cover with layer of lasagna noodles, breaking them in pieces to fit around edges.
  7. 7
    Spread 3/4 cup spinach mixture over top.
  8. 8
    Place 1 layer roasted red peppers over spinach, and top with 3/4 cup ricotta.
  9. 9
    Spread 1 cup tomato sauce over ricotta.
  10. 10
    Sprinkle with 1/3 cup Swiss cheese.
  11. 11
    Repeat, layering noodles, spinach, peppers, ricotta, Swiss cheese, and tomato sauce.
  12. 12
    Top with 1 more layer noodles and remaining spinach, tomato sauce, ricotta, and Swiss cheese.
  13. 13
    Cook 4 hours on high or 6 hours on low.
  14. 14
    Let stand uncovered 10 minutes before serving.

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