01 -
Heat oven to 190°C (375°F). Line a rimmed baking sheet with parchment paper.
02 -
In a large bowl, combine panko bread crumbs and milk. Let soak while preparing other ingredients.
03 -
Grate white onion. Thaw riced broccoli in microwave or over stovetop until fully defrosted. In a separate small bowl, mix together ketchup and yellow mustard to create glaze.
04 -
To the soaked bread crumbs, add grated onion, egg, seasoning salt, and black pepper; mix well to combine. Add ground turkey, thawed riced broccoli, and shredded cheddar cheese. Gently mix by hand until just combined, taking care not to overwork mixture.
05 -
Mould mixture into an oblong loaf on the prepared parchment-lined baking sheet. Spread ketchup-mustard glaze evenly over the top and sides.
06 -
Transfer to preheated oven and bake for 45–60 minutes, or until the internal temperature reaches 74°C (165°F).
07 -
Allow meatloaf to rest on tray for 5–10 minutes. Blot excess liquid with paper towel if needed. Slice and serve warm with extra ketchup if desired.