Spinach Artichoke Mac and Cheese

Name: Spinach Artichoke Mac and Cheese
Ingredients: 1 Tablespoon Olive Oil; 6 ounces, weight Spinach, Fresh Or Frozen, Thawed And Drained, Divided; 1 can (14 Oz. Size) Quartered Artichoke Hearts, Drained And Rinsed, Divided; 4 ounces, weight Cream Cheese, Softened; 1 cup Shredded Parmesan Cheese, Divided; 2 Tablespoons Shallots, Minced; 2 Tablespoons Minced Garlic, Divided; 1 pound Whole Wheat Penne Pasta; 3 Tablespoons Butter, Softened; 3 Tablespoons Flour; 2-½ cups Milk; 1 teaspoon Dry Mustard; ¼ teaspoons Pepper; 1 cup Shredded Cheddar; 1 cup Shredded Havarti Cheese; 1 Tablespoon Sriracha Sauce