Roti John (Malaysian Griddled Omelet Sandwich)

Ingredients

• 1 qt (1L) all-purpose flour, plus extra for dusting
• ½ Tbsp (7 mL) sugar
• ½ Tbsp (7 mL) salt
• 1 ½ cups (375 mL) warm water
• ½ lb (250 g) whole red lentils, cooked
• ¼ lb (125 g) roasted mushrooms, minced
• ¼ lb (125 g) walnuts, finely chopped
• 1 cup (250 mL) yellow onion, small dice
• 2 Tbsp (30 mL) garlic, minced
• 1 Tbsp (15 mL) grated ginger
• 1 tsp (5 mL) ground cumin
• ½ tsp (2 mL) turmeric powder
• ¼ tsp (1 mL) chili powder (adjust for spice preference)
• ¼ tsp (1 mL) ground coriander
• ¼ tsp (1 mL) pepper
• ½ cup (125 mL) chopped tomatoes (fresh or canned)
• ¼ cup (60 mL) chopped fresh cilantro
• 10 large eggs
• 1 cup (250mL) shredded cheddar cheese (or mozzarella)
• salt, to taste
• vegetable oil, for cooking
• Ketchup, sriracha mayo, cucumber slices, Chopped red onions