Place thawed spinach into a strong kitchen towel and wring out all of the moisture. Transfer drained spinach into a large bowl.
10 oz frozen spinach
Add remaining ingredients to the spinach and stir together until everything is combined. Cover dip and refrigerate at least 1 hour. Serve cold or warm, and in a bread bowl, if desired. Store leftovers covered tightly in the refrigerator up to 4 days.
1 cup (246g) sour cream or plain Greek yogurt, ½ cup (56g) mayonnaise, ⅓ cup (33g) grated Parmesan cheese, ½ teaspoon salt, ¼ teaspoon black pepper, ¼ teaspoon garlic powder
Nutrition Disclosure
All nutritional values are approximate and provided to the reader as a courtesy. Changing ingredients and/or quantities will alter the estimated nutritional calculations.