Sweet-Potato Fries at Mussel Bar & Grille
7262 Woodmont Ave., Bethesda, 301-215-7817; 800 N. Glebe Rd., Arlington, 703-841-2337
Sweet-potato fries are notoriously hard to keep crisp—Robert Wiedmaier’s version ($5), served with a trio of aïolis, is the exception.
Trio of Fries at Bourbon Steak
2800 Pennsylvania Ave., NW; 202-944-2026
The seasonings and dips for these skinny wonders ($7) change—the current lineup includes herbed fries with pickle ketchup and spicy fries with Creole mustard—and we’ve never met a match we didn’t love.
Eggplant Fries at Fast Gourmet
1400 W St., NW; 202-448-9217
This gas-station sandwich counter nails it with thick slabs of beer-battered eggplant ($4), which sport crispy exteriors and wonderfully creamy centers. Bonus: You can get them till 5 am Friday and Saturday.
Onion Rings at Family Meal
880 N. East St., Frederick; 301-378-2895
The spectacular heap ($5.99) that hits the table at Bryan Voltaggio’s diner tastes as good as it looks, thanks to a batter spiked with malt vinegar, a coating of cornflakes, and a side of bacon-horseradish dipping sauce.