Vegetarian Casserole - cooking recipe

Ingredients

3 large potatoes
1/2 c. yogurt
1/2 c. fresh chives, minced
1/2 c. fresh parsley, minced
1 1/2 Tbsp. butter
1 large onion
1 clove garlic, minced
4 large carrots, chopped
2 stalks sliced celery
1 lb. mushrooms
2 large zucchinis
1 green bell pepper
1/4 tsp. thyme
1/2 tsp. basil
1/2 tsp. oregano
1 c. frozen peas
3/4 c. tomatoes
3/4 c. grated Cheddar cheese
1 Tbsp. cider vinegar
1/4 tsp. paprika
1/4 tsp. pepper
1 c. spinach (optional)
1 c. broccoli (optional)

Preparation

Cook potatoes in boiling water until soft.
Drain and mash potatoes and mix with yogurt (or 1/4 cup milk), chives and parsley.
Set aside.