Boil tayotas whole for 15 minutes until tender
Cut in half lengthwise. Scoop flesh, leaving skin intact as boats. Mash flesh smooth, set aside
Melt butter + olive oil. Sauté garlic, then add turkey ham, brown slightly
Blend cottage cheese, milk, cornstarch, onion powder, oregano, salt until completely smooth
Pour blender mixture into pan with ham. Simmer 5 minutes stirring until thickened
Fold mashed chayote into creamy ham sauce
Fill the boats, top with Parmesan, bake 15 minutes until golden