13 St. Patrick's Day Green Recipes – If you’re celebrating St. Patrick’s Day, you’ll need as much green as you can get. We’ve put all of our favorite green food right here. For starters, try a guacamole or spinach dip. Pastas with pesto or veggie casseroles fit the bill for a dinner entrée. And don’t forget dessert! Pistachio, mint, and lime are the perfect flavors for St. Paddy’s Day sweets.