Easy vegetable chow mein

Name: Easy vegetable chow mein
Ingredients: 3 spring (green onions, finely chopped); 3 garlic cloves (finely chopped); 2 teaspoons minced ginger; 2 cups mushrooms (thinly sliced); 1 red pepper (de-seeded and thinly sliced); 1 yellow pepper (de-seeded and thinly sliced); 2 cups broccolini (halved lengthwise); 1 cup sugar snap peas (halved lengthwise); 10 baby corn (halved lengthwise); 2 cups baby spinach; 2-3 tablespoons soy sauce; 2 tablespoons oyster sauce; 1 teaspoon sesame oil; juice of 1/2 lemon; 300 g egg noodles (dry weight, cooked and cooled); Fresh chopped chillies (to serve (optional))