Chicken and Brie Sandwiches with Roasted Cherry Tomatoes

By MICHELEBARGER

4.0 / 5

30min

36min

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1 pound skinless, boneless chicken breasts
½ cup Italian-style salad dressing or to taste
3 ounces Brie cheese sliced
1 tablespoon olive oil divided
2 cups cherry tomatoes halved
¼ teaspoon kosher salt divided
3 tablespoons balsamic vinegar divided
1 tablespoon chopped fresh basil
2 cups fresh spinach leaves
¼ cup mayonnaise
1 tablespoon Dijon mustard
2 cloves garlic minced
⅛ teaspoon ground black pepper
1 loaf French bread halved lengthwise