Saute onion and garlic in oil in medium skillet 2 to 3 minutes, or until onion is tender. Remove from heat. Add spinach, yogurt, bread crumbs, mustard and pepper; stir until well blended. Assemble as directed above. Arrange slices in 15-1/2 x 10-1/2 x 1 inch jelly roll pan; cover tightly with aluminum foil. Bake at 400F about 8 minutes or until heated through.
Makes 48 appetizers.
*Roll-ups may be tightly wrapped and refrigerated up to 3 hours.
Cajun Country -- New Iberia, Louisiana