To add the finishing touches to your retro-themed kitchen, incorporate retro accessories throughout the space. Look for vintage-inspired kitchen gadgets like retro-style toasters, blenders, or mixers. Display retro cookbooks or recipe cards on your countertops or open shelves. Consider adding a vintage-inspired radio or record player to provide some nostalgic tunes while you cook. Additionally, incorporate retro-style canisters, bread boxes, or utensil holders to keep your kitchen organized and stylish. These small accessories will add personality and charm to your kitchen, completing the retro theme and creating a space that feels like a step back in time.