Creamy Spinach and Artichoke Dip

INGREDIENTS

1 10 ounce package

frozen chopped spinach (thawed and drained well) OR 10 ounces fresh spinach, chopped

1 14 ounce can

artichoke hearts, drained and coarsely chopped

1 8 ounce package

cream cheese, softened

2 tbsp

sour cream

2 tbsp

mayonnaise

1/2 cup

shredded parmesan

1/2 tsp

garlic salt (, or more to taste)

cayenne pepper (, or more to taste)