Place cooked white rice, mixed vegetables, and sliced sausage in a microwave-safe bowl. Add ketchup and a pinch of salt and pepper. Cover loosely with plastic wrap and microwave at 600W for 2 minutes. Mix well and transfer to a bento box.

Defrost broccoli and place in a heatproof cup. Top with mustard and shredded cheese.

Cut bacon in half lengthwise. Wrap each cherry tomato with bacon and secure with a toothpick.

Line a baking tray with aluminum foil. Cut chicken tenders into bite-sized pieces and place them on the tray. Sprinkle with herb salt and top with mayonnaise.