5 from 18 votes
French Onion Grilled Cheese
French Onion Grilled Cheese: Sweet caramelized onions and tons of gooey melted Swiss cheese sandwiched between thick sliced buttery grilled bread. This is the best grilled cheese sandwich ever!
Prep Time
15 mins
Cook Time
45 mins
Total Time
1 hr
Servings:
2
sandwiches
Calories:
509 kcal
Course:
Lunch
Cuisine:
French
Ingredients
- 2 tablespoons butter softened, plus more for the bread, salted
- 2 yellow onion thinly sliced, medium
- water as needed
- salt to taste
- black pepper to taste
- ½ teaspoon thyme roughly chopped, fresh leaves
- 1 teaspoon Worcestershire sauce
- 1 teaspoon sugar
- 1 teaspoon sherry vinegar or red wine vinegar
- 4 bread thick slices
- 6 lices swiss cheese
Nutrition Information
Calories
509kcal
(25%)
Carbohydrates
40g
(13%)
Protein
21g
(42%)
Fat
30g
(46%)
Saturated Fat
17g
(85%)
Polyunsaturated Fat
2g
(12%)
Monounsaturated Fat
7g
(35%)
Trans Fat
0.5g
(25%)
Cholesterol
78mg
(26%)
Sodium
493mg
(21%)
Potassium
307mg
(7%)
Fiber
4g
(16%)
Sugar
10g
(20%)
Vitamin A
803IU
(16%)
Vitamin C
9mg
(10%)
Calcium
558mg
(56%)
Iron
3mg
(17%)
Nutrition Facts
Serving: 2 sandwiches
Amount Per Serving
Calories 509
% Daily Value*
| Calories | 509kcal | 25% |
| Carbohydrates | 40g | 13% |
| Protein | 21g | 42% |
| Fat | 30g | 46% |
| Saturated Fat | 17g | 85% |
| Polyunsaturated Fat | 2g | 12% |
| Monounsaturated Fat | 7g | 35% |
| Trans Fat | 0.5g | 25% |
| Cholesterol | 78mg | 26% |
| Sodium | 493mg | 21% |
| Potassium | 307mg | 7% |
| Fiber | 4g | 16% |
| Sugar | 10g | 20% |
| Vitamin A | 803IU | 16% |
| Vitamin C | 9mg | 10% |
| Calcium | 558mg | 56% |
| Iron | 3mg | 17% |
* Percent Daily Values are based on a 2,000 calorie diet.