In a pan, melt 1 tablespoon butter. Add garlic and fry for 30 seconds. Add onions and green chilies and sauté until onions are soft and pink.
Add carrots, corn, yellow and red peppers, capsicum, and cabbage and sauté on high for 2-3 minutes.
Season with salt and pepper and mix.
Add oregano, chili flakes and mix. Take it off the pan and allow it to cool.
In a bowl, whisk cream cheese until smooth.
Add tossed veggies mixture and mix. Chill the mixture for 30-45 minutes.
Cut the sides of bread slices and slather with butter.
Place lettuce leaf on buttered bread and spread 2 tablespoons of mixture (or more if required) evenly and cover it with another buttered bread slice.
Serve cold or at room temperature :)