INGREDIENTS
3 tbsp
olive oil, divided
12 oz
boneless chicken breasts
coarse salt and fresh black pepper
8 oz
spaghetti
1 tsp
chopped garlic
2 tbsp
all-purpose flour
1 cup
whole milk
1 cup
low-sodium chicken broth
1/2 cup
Parmesan cheese, plus more for serving
4
packed cups fresh baby spinach leaves
3/4 cup
plum tomatoes, diced