A worker shows crickets at a farm belonging to company “Little Food,” which prepares and promotes food products made from crickets, in Brussels, Belgium.

A Brussels start-up is hoping to stir a culinary revolution in Belgium by pushing crunchy crickets as a protein alternative to meat.

Eco-friendly ‘Little Food’ said its crickets, which can be eaten dried, in different flavors such as garlic or tomato, or turned into flour,…