Blend all basil sauce ingredients in a mixer until smooth.

Cut the onion into quarters, and slice the red bell pepper and pumpkin thinly.

Cut the salmon into bite-sized pieces.

Heat olive oil in a pan over medium heat, add salmon, and cook until golden brown and fully cooked. Remove from the pan.

Add onion, red bell pepper, and pumpkin to the pan, and cook until golden brown and tender. Remove from the pan.