Preheat the oven to 350f, bake the crust for 5 mint.clean mushrooms, slice, (if you want to roast your own peppers, set oven 420f roast pepper with olive oil about 20mins, then reduce your oven to 350f)

Add the butter to a skillet over medium heat. Add mushrooms and cook u til softened 8 mins. Add kale ( and garlic about 3 mins. Turn off the heat, add peppers and cook the vegetables.

In a bowl whisk eggs, cream, salt and black pepper. Stir the cooled veggie mixture and 1 cup cheddar cheese. By this time your crust should be prevailed for 5 min at 350 f. Pour egg mixture into prevailed crust. Bake about 45 minutes until quiche set.