Oranges
Flavour Profile
A bright balance of sugar and acid. Oranges range from floral and delicate to sharp and tangy, depending on the variety. The aromatic oils in the skin provide a fragrant, slightly bitter contrast to the sweet juice.
Health Benefits
Vitamin C, which keeps your immune system ticking over, and folate, which helps beat tiredness. Plenty of fibre too, good for the gut. The white pith under the skin actually has more fibre and antioxidants than the flesh, so don't be so quick to scrape it all off.
Buying Tips
Look for oranges that feel heavy for their size. Weight usually means more juice and thinner skins. Avoid anything with soft spots or a dull, dry look to the peel.
If you can find them with the leaves still attached, it is usually a sign they were picked recently.
Storage
Oranges will sit happily on the counter for about a week. If you want them to last longer, pop them in the fridge.
Cold fruit releases less juice, so if you are planning to squeeze them, bring them back to room temperature first or give them a quick roll on the counter with your palm.
Cooking Uses
The juice adds acidity and sweetness to marinades, salad dressings and sauces. The zest is where the concentrated oils live, so use it to punch up the flavour in cakes, biscuits or even over roasted carrots.
Don't ignore the pith entirely; while bitter, a tiny bit adds structure to marmalades. For a punchy garnish, char orange slices on a griddle to caramelise the sugars.
Forkin' Food Theory
Most people think the orange colour is a sign of ripeness. It isn't.
Oranges are tropical fruits. In warmer climates, the fruit can be perfectly ripe and sweet while the skin stays green. The orange colour only develops when the temperature drops, which triggers the breakdown of chlorophyll in the skin.
If you see a "regreened" orange in a warm season, don't bin it. It’s likely at its peak sweetness. We just treat the skin to make it look the way people expect.