Vegetable Crumble

Name: Vegetable Crumble
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: British
Ingredients: 3 potatoes; 4 carrots; 3 courgettes; 2 peppers; 5 tomatoes; ¼ cup vegan butter (or your butter of choice for dairy eaters); 3 tbsp vegan cheese (or Parmesan for dairy eaters); 2 cups oat flour (or your preferred choice); ½ onion; 1 parsley (to taste); 4 tbsp extra virgin olive oil; salt (to taste)