Passover. Quality since 1888. Manischewitz Marshmallows - for a fun treat! Manischewitz Marshmallows make a delicious snack anytime. You will love the light, sweet fluffy taste that's so much fun to eat. For the holidays, Manischewitz Marshmallows can help you decorate a dessert or include them in your favorite recipe. So for a fun treat, enjoy Manischewitz Marshmallows. Kosher-Pareve. Made in Israel.