Equipment
* optional
Ingredients
Produce
- 600 g mixed bell peppers, cored, deseeded, and sliced into 1cm strips
- 10 g garlic, thinly sliced
- 5 g fresh basil, torn
Pantry
- 45 ml extra virgin olive oil
- 45 ml white wine vinegar
- 30 g granulated sugar
- 15 g capers, drained and rinsed
- 4 g fine sea salt
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 174 kcal
- Protein
- 2 g
- Carbohydrates
- 18 g
- Fat
- 12 g
- Fiber
- 3 g
- Sugar
- 14 g
- Sodium
- 483 mg
- Saturated Fat
- 2 g
- Monounsaturated Fat
- 8 g
- Polyunsaturated Fat
- 1 g
- Potassium
- 332 mg
- Calcium
- 20 mg
- Iron
- 0.9 mg
- Magnesium
- 21 mg
- Phosphorus
- 44 mg
- Zinc
- 0.4 mg
- Vitamin A
- 239 mcg
- Vitamin C
- 193 mg
- Vitamin E
- 4.0 mg
- Vitamin K
- 20 mcg
- Vitamin B6
- 0.5 mg
- Thiamin
- 0.08 mg
- Riboflavin
- 0.14 mg
- Niacin
- 1.5 mg
- Folate
- 71 mcg
- Water
- 155 g
Sources: USDA FoodData Central
Method
Core, deseed, and slice the bell peppers into 1cm wide strips. Thinly slice the garlic.
Heat the extra virgin olive oil in a large skillet over medium-high heat. Add the sliced peppers and sauté, tossing frequently, until they begin to soften and blister slightly, about 10 minutes.
Reduce the heat to medium. Add the sliced garlic, capers, and fine sea salt to the peppers. Cook for 2 additional minutes until the garlic is fragrant but not browned.
Sprinkle the granulated sugar evenly over the peppers, then pour in the white wine vinegar. Stir thoroughly to combine and dissolve the sugar.
Reduce the heat to medium-low. Let the mixture simmer uncovered until the vinegar and sugar reduce into a thick, sticky syrup that heavily coats the peppers, about 8 minutes. Stir occasionally to prevent burning.
Remove the skillet from the heat and transfer the peppers to a serving platter. Allow to rest for 10 minutes, as the flavor is vastly improved when served at room temperature (around 20°C/68°F). Garnish with fresh torn basil just before serving.
Chef's Notes
- Agrodolce relies on balancing sharp and sweet. If your bell peppers are out of season or less sweet, you may need to increase the sugar slightly. Always taste the glaze right before removing from the heat.
- Do not use green bell peppers for this recipe. Their high levels of pyrazines impart a vegetal bitterness that strongly clashes with the sweet and sour profile.
- For the absolute deepest flavor, make this dish a day in advance. The resting period allows the acetic acid in the vinegar to mellow, resulting in a much more harmonious flavor profile when served the next day.
Storage
Refrigerator: 5 days — Flavors deepen and improve after a day in the refrigerator. Store in an airtight container.
Reheating: Serve at room temperature, or warm gently in a skillet over low heat.
Troubleshooting
The glaze is too thin and watery after 8 minutes of simmering.
Cause: The peppers released a high amount of natural water, or the heat was too low during the reduction phase.
Fix: Use a slotted spoon to remove the peppers to a bowl. Turn the heat to high and boil the remaining liquid for 2-3 minutes until thick and syrupy, then toss the peppers back in.
Prevention: Ensure the peppers are thoroughly blistered and their moisture has evaporated during the initial sauté before adding the vinegar.
The sauce is overly acidic and harsh.
Cause: The vinegar was not reduced enough, or the peppers lacked natural sweetness.
Fix: Stir in an additional 5g of sugar and simmer for 1-2 more minutes to balance the acidity.
Prevention: Always reduce the liquid until it reaches a syrupy consistency, which concentrates the sugars and mellows the acetic acid.
Cultural Context
Agrodolce is a traditional Italian sweet and sour flavor profile, particularly rooted in Sicilian cuisine. The combination of vinegar and sugar was introduced to the region by Arab populations during medieval times. Originally utilized as a preservation method in the hot Mediterranean climate, the technique has evolved into a beloved culinary style used to elevate everything from roasted meats to summer vegetables.
