Vegetable Scraps: Save onion skins, carrot peels, and celery tops to make flavorful vegetable broth.
Citrus Peels: Use lemon, orange, or lime peels to infuse flavor into water, vinegar for cleaning, or to make candied citrus peels.
Herb Stems: Don't discard herb stems; chop them finely and use them in soups, stews, or to flavor oils and vinegars.
Parmesan Rinds: Add Parmesan rinds to simmering soups or sauces to infuse them with rich umami flavor.
Stale Bread: Transform stale bread into homemade croutons, breadcrumbs, or bread pudding.
Coffee Grounds: Use coffee grounds to fertilize plants, exfoliate skin, or neutralize odors in the fridge.
Potato Peels: Crisp up potato peels in the oven with olive oil and seasonings for a tasty snack.
Broccoli Stalks: Don't toss broccoli stalks; thinly slice or shred them to use in salads, stir-fries, or soups.
Pumpkin Seeds: Roast pumpkin seeds with spices for a crunchy snack or salad topper.