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Vegetable Casserole with Zucchini and Onions (in a Slow Cooker)

by Editorial Staff

Vegetable casserole of zucchini (zucchini) and onions in a slow cooker is prepared with sour cream and cheese. The casserole can be either an independent dish or a side dish.

Summary

Prep Time15 mins
Cook Time1 hr 15 mins
Total Time1 hr 30 mins
CourseSide Dish

Vegetable Casserole with Zucchini and Onions (in a Slow Cooker) Ingredients

  • Zucchini (zucchini) – 500 g
  • Bulb onions, large – 1 pc.
  • Greens (green garlic, dill, parsley) – 20 g
  • Hard cheese – 150 g
  • Sour cream – 150 ml
  • Eggs – 2 pcs.
  • Butter – 50 g
  • Vegetable oil, for frying – 3 tablespoon.
  • Salt – 1 teaspoon (taste)
  • Black pepper – to taste

Vegetable Casserole with Zucchini and Onions (in a Slow Cooker)
Vegetable Casserole with Zucchini and Onions (in a Slow Cooker) Print Recipe Vegetable Casserole with Zucchini and Onions (in a Slow Cooker) Pin Recipe

Vegetable Casserole with Zucchini and Onions (in a Slow Cooker) Instructions

  1. Prepare food for cooking vegetable zucchini and onion casserole.
    Vegetable Casserole with Zucchini and Onions (in a Slow Cooker) step 1
  2. Finely chop the onion.
  3. Cut the courgettes (zucchini) into cubes.
  4. Place vegetables in a multicooker bowl in preheated vegetable oil.
  5. In the “Baking” mode, fry the onion and zucchini for 15 minutes until light golden brown.
  6. At this time, cut the greens.
  7. Mix sour cream with eggs, salt, and pepper mixture.
  8. Grate the cheese, add some of the cheese to the sour cream with eggs, add warm butter and herbs. Mix everything.
  9. When the vegetables are fried, cool them slightly, mix them with the egg-sour cream sauce, put them in a multicooker bowl.
  10. Cook vegetable casserole in a slow cooker in the “Baking” mode for 1 hour.
  11. Zucchini and onion vegetable casserole, in a slow cooker, ready. It turned out to be tender, tasty, and beautiful. Sprinkle the vegetable casserole with cheese and serve.
    Vegetable Casserole with Zucchini and Onions (in a Slow Cooker) step 11

Enjoy your meal!

Editorial Staff

About Editorial Staff

The Boss Kitchen editorial staff oversees content review, fact-checking, and recipe verification across the site. Published articles pass through the editorial team before going live, ensuring ingredient lists, techniques, cooking times, and nutritional claims hold up in a home kitchen. The team coordinates contributions across the site writers, handles reader corrections, and maintains consistency in measurement conventions, safety guidance, and dietary labeling. Posts under this byline typically represent team-reviewed reference material, site announcements, or editorial roundups rather than individual-author features, and they are held to the same sourcing standards as bylined recipe and product coverage.

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