1. Preheat the oven to 400 degree F. Place the baguette slices on a large baking sheet. Place in the oven and bake for 5-7 minutes, or until baguette slices are slightly golden and toasted. Remove from oven and let cool to room temperature.
2. To make the guacamole-cut avocados in half. Remove seed. Cut the avocado into chunks. Remove peel. Place avocado into a medium bowl. Add the onion, garlic, jalapeño, cilantro, lime juice, salt and pepper. Gently stir, until combined, try not to mash the avocado chunks. Add the chopped tomato and gently stir.
3. Place a spoonful of guacamole onto the baguette slices. Serve.