That’s why when you come across a creative adaptation of a recipe you are keen on trying it right away. Here is how to make a tasty veggie spiral. The necessary ingredients are:

• two russet potatoes;
• a zucchini;
• a yellow squash;
• three large Roma tomatoes;
• a couple tablespoons of olive oil;
• a large sweet yellow onion;
• two cloves of garlic;
• half a cup of grated Parmesan cheese;
• some sea salt and freshly cracked black pepper;
• dried thyme, for taste;

more details here…
source: fortheloveofcooking.net