Drain spinach; press between layers of paper towels. Drain and chop artichoke hearts.
Combine spinach, artichoke hearts, garlic, and next 4 ingredients, stirring well. Spoon into a lightly greased 11- x 7-inch baking dish; sprinkle with breadcrumbs.
Bake at 375° for 25 minutes, and serve with crackers or breadsticks.