French in a Flash (Super Bowl): Hotdog Vol-au-Vent

10 Ingredients
- 1 sheet (1/2 box) frozen puff pastry, thawed but cold
- 1 tablespoon canola oil
- 1 1/2 yellow onions, finely sliced on a mandoline
- 3/8 teaspoon granulated sugar
- Kosher salt
- 1 tablespoon dijon mustard
- 4 hot dogs, cut into thirds
- 1 egg, beaten with a splash of water
- Poppy seeds (optional)
- Fleur de sel
Preparation
Instructions on Serious Eats
Nutrition
124
6%
daily value
12 servings
Fat
15% 10Saturated
14% 3Trans
- 0Monounsaturated
- 5Polyunsaturated
- 1Carbs
2% 7Carbs (net)
- 6Fiber
2% 0Sugars
- 1Sugars, added
- 0Protein
6% 3Cholesterol
7% 21Sodium
7% 168Calcium
1% 9Magnesium
1% 6Potassium
1% 61Iron
3% 1Zinc
4% 0Phosphorus
5% 32Vitamin A
1% 8Vitamin C
1% 1Thiamin (B1)
7% 0Riboflavin (B2)
5% 0Niacin (B3)
5% 1Vitamin B6
4% 0Folate equivalent (total)
4% 18Folate (food)
- 7Folic acid
- 7Vitamin B12
9% 0Vitamin D
1% 0Vitamin E
2% 0Vitamin K
2% 3
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