
Why Does Espresso Tonic Taste So Bitter?
Espresso tonic is made with espresso, tonic water, and ice. Some people also add an orange slice or a little lemon peel. It is a refreshing drink, but the first sip can be much more bitter than expected.
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Start from what you taste in the cup. Each troubleshooting guide walks through a single-variable checking order so you can fix sour, bitter, weak, or flat coffee tomorrow morning.

Espresso tonic is made with espresso, tonic water, and ice. Some people also add an orange slice or a little lemon peel. It is a refreshing drink, but the first sip can be much more bitter than expected.

Cold brew from a coffee shop often tastes smooth and rich. But when you make it at home, it may taste bitter, too strong, or watery.

Homemade iced coffee can taste strong when you first brew it but disappointingly thin once it reaches the glass. Sometimes the first few sips taste fine, only for the drink to become bland halfway through. Other times, the coffee tastes weak from the moment you pour it.

Tell bright fruit acidity apart from under-extraction, then adjust grind, water temperature and time in that order.

Good beans can still be over-extracted. Check grind, brew time and water heat.

More coffee does not help if water rushes through. Look at grind and contact time first.

What changes in the cup as it cools, and what that tells you about your brew.
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