Preheat oven to 350°F. Line a large baking sheet with tinfoil.
Spread seasoned bread chunks out in a single layer on your lined baking sheet.
Bake, checking/tossing every few minutes, until golden brown and crisp, 10-15 minutes.
Set aside to let cool.
Combine hot water, canola mayo, olive oil, lemon juice, caper paste, pepper, and garlic in a bowl. Stir in Parmesan cheese.
Add kale, then toss. Top with croutons.