Russian Breakfast Squares

• 1 1 small red onion, chopped
• 2 2 cloves garlic, minced
• 15 ml 1 tbsp vegetable oil
• 250 g 1/2 lb kale, trimmed of tough ends and ribs, coarsely chopped (about 4 cups/1 L packed)
• 8 8 eggs
• 50 ml 1/4 cup fresh dill, chopped
• 2 ml 1/2 tsp ground mustard
• 1 ml 1/4 tsp salt
• 1 ml 1/4 tsp pepper
• 250 ml 1 cup grated Swiss or Gouda cheese
• 150 g 5 oz smoked salmon, cut into 1-inch (2.5 cm) pieces (about 1 cup/250 mL)
• 50 ml 1/4 cup fresh whole wheat or white bread crumbs

Garnish

• low-fat sour cream (optional)