1 tablespoon butter
1 clove garlic, minced or grated
1 tablespoon flour
1/2 cup milk (I used 2%, but whatever you have will be fine)
1 ounce cream cheese
1/2 cup shredded mozzarella cheese
1/2 cup grated parmesan cheese
1/2 cup greek yogurt (I used 0%)
1/2 teaspoon crushed red pepper flakes (optional)
1/2 teaspoon pepper
1/2 cup (about 5 ounces) frozen chopped spinach, thawed
1 (6.7 ounce) jar grilled artichoke hearts or you can sub marinated artichokes, chopped
1 chicken breast, grilled and sliced thin (optional)
8 slices thick sourdough or tuscan bread
butter, for spreading