Artichoke Pizza with Spinach, Sun-Dried Tomatoes, & White Sauce (Low Carb, Gluten-free)

recipe Fathead pizza crust ((or your favorite pizza crust))

Butter

Garlic ((minced))

Heavy cream

Grated parmesan cheese

Black pepper ((to taste))

Spinach ((chopped))

Artichoke hearts ((chopped; can use freshly cooked, canned, or thawed from frozen))

Sun-dried tomatoes ((chopped))

Mozzarella cheese ((shredded))