Cheesy Tomato Green Bean Gratin
Cheesy Tomato Green Bean Gratin
Ingredients
For the Gratin
- 1 1/2 pounds fresh green beans, trimmed and halved
- 1 tablespoon olive oil
- 1/2 yellow onion, small, finely chopped
- 2 cloves garlic, minced
- 1 canned diced tomatoes, 14.5 ounce can, undrained
- 1/2 cup chicken broth
- 1/2 cup heavy cream
- 1 tablespoon all-purpose flour
- 1 1/2 cups sharp cheddar cheese, shredded
- 1/2 cup Parmesan cheese, grated
- 1 teaspoon kosher salt
- 1/2 teaspoon black pepper, freshly ground
- 1/2 teaspoon dried thyme
For the Topping
- 1/2 cup Panko breadcrumbs
- 2 tablespoons unsalted butter, melted
- 1/4 cup Parmesan cheese, grated
Instructions
- 1
Preheat your oven to 375°F. Lightly grease a 2-quart baking dish.
⏱️ 5 min•🌡️ 375
- 2
Bring a large pot of salted water to a boil. Add the trimmed and halved green beans and cook for 3-4 minutes, or until bright green and slightly tender-crisp. Drain immediately and plunge into an ice bath to stop cooking. Drain thoroughly and set aside.
⏱️ 8 min
- 3
In a large skillet or Dutch oven, heat the olive oil over medium heat. Add the finely chopped yellow onion and cook for 3-4 minutes, until softened and translucent. Add the minced garlic and cook for another 1 minute until fragrant.
⏱️ 5 min
- 4
Stir in the undrained diced tomatoes, chicken broth, heavy cream, all-purpose flour, kosher salt, black pepper, and dried thyme. Bring the mixture to a gentle simmer, stirring constantly, and cook for 2-3 minutes until the sauce slightly thickens.
⏱️ 5 min
- 5
Remove the skillet from the heat. Stir in the shredded sharp cheddar cheese and 1/2 cup grated Parmesan cheese until completely melted and smooth. Taste and adjust seasonings if necessary.
⏱️ 3 min
- 6
Add the blanched green beans to the cheese sauce and toss gently to coat evenly.
⏱️ 2 min
- 7
Pour the green bean mixture into the prepared 2-quart baking dish, spreading it evenly.
⏱️ 1 min
- 8
In a small bowl, combine the Panko breadcrumbs, melted unsalted butter, and 1/4 cup grated Parmesan cheese. Mix until the breadcrumbs are evenly coated. Sprinkle this topping evenly over the green bean mixture in the baking dish.
⏱️ 2 min
- 9
Bake for 20-25 minutes, or until the gratin is bubbly around the edges and the topping is golden brown and crispy.
⏱️ 25 min•🌡️ 375
- 10
Remove from the oven and let rest for 5 minutes before serving. This allows the gratin to set slightly.
⏱️ 5 min
Kitchen Tools
Nutrition Facts (per serving)
Cheesy Tomato Green Bean Gratin
Ingredients
For the Gratin
- 1 1/2 pounds fresh green beans, trimmed and halved
- 1 tablespoon olive oil
- 1/2 yellow onion, small, finely chopped
- 2 cloves garlic, minced
- 1 canned diced tomatoes, 14.5 ounce can, undrained
- 1/2 cup chicken broth
- 1/2 cup heavy cream
- 1 tablespoon all-purpose flour
- 1 1/2 cups sharp cheddar cheese, shredded
- 1/2 cup Parmesan cheese, grated
- 1 teaspoon kosher salt
- 1/2 teaspoon black pepper, freshly ground
- 1/2 teaspoon dried thyme
For the Topping
- 1/2 cup Panko breadcrumbs
- 2 tablespoons unsalted butter, melted
- 1/4 cup Parmesan cheese, grated
Instructions
- 1
Preheat your oven to 375°F. Lightly grease a 2-quart baking dish.
⏱️ 5 min•🌡️ 375 - 2
Bring a large pot of salted water to a boil. Add the trimmed and halved green beans and cook for 3-4 minutes, or until bright green and slightly tender-crisp. Drain immediately and plunge into an ice bath to stop cooking. Drain thoroughly and set aside.
⏱️ 8 min - 3
In a large skillet or Dutch oven, heat the olive oil over medium heat. Add the finely chopped yellow onion and cook for 3-4 minutes, until softened and translucent. Add the minced garlic and cook for another 1 minute until fragrant.
⏱️ 5 min - 4
Stir in the undrained diced tomatoes, chicken broth, heavy cream, all-purpose flour, kosher salt, black pepper, and dried thyme. Bring the mixture to a gentle simmer, stirring constantly, and cook for 2-3 minutes until the sauce slightly thickens.
⏱️ 5 min - 5
Remove the skillet from the heat. Stir in the shredded sharp cheddar cheese and 1/2 cup grated Parmesan cheese until completely melted and smooth. Taste and adjust seasonings if necessary.
⏱️ 3 min - 6
Add the blanched green beans to the cheese sauce and toss gently to coat evenly.
⏱️ 2 min - 7
Pour the green bean mixture into the prepared 2-quart baking dish, spreading it evenly.
⏱️ 1 min - 8
In a small bowl, combine the Panko breadcrumbs, melted unsalted butter, and 1/4 cup grated Parmesan cheese. Mix until the breadcrumbs are evenly coated. Sprinkle this topping evenly over the green bean mixture in the baking dish.
⏱️ 2 min - 9
Bake for 20-25 minutes, or until the gratin is bubbly around the edges and the topping is golden brown and crispy.
⏱️ 25 min•🌡️ 375 - 10
Remove from the oven and let rest for 5 minutes before serving. This allows the gratin to set slightly.
⏱️ 5 min