Skillet Chicken with Creamy Spinach Artichoke Sauce

INGREDIENTS

boneless, skinless chicken breasts

Salt and freshly ground black pepper

1 1/2 tbsp

olive oil (, divided)

2 tbsp

butter

3 cloves

garlic (, minced)

1 tbsp

flour

5 oz

fresh spinach (, rinsed, drained and chopped (3 1/2 packed cups))

1 14 ounce can

artichoke quarters, drained and chopped

1 1/4 cups

milk

4 oz

Neufchatel cheese (, diced into small cubes)

1/3 cup

packed freshly (, finely shredded parmesan cheese)

1/4 cup

sour cream

Red pepper flakes ((optional))