In a large frying pan over medium heat, fry sliced bacon lardons until crispy. Remove bacon pieces and place in microwavable bowl; set aside.
For the croutons
Preheat oven to 325°F. In a small saucepan over medium heat, heat olive oil. Add garlic and cook 3-5 minutes or until it begins to color lightly; remove the garlic and discard. Remove from heat.
Brush garlic oil on both sides of bread slices and arrange in single layer on baking sheet. Bake 10 minutes; turn bread slices over and bake for an additional 10 minutes. Remove from oven and set aside.
For the mustard vinaigrette
In small bowl or jar, whisk together olive oil, vinegar, mustard, salt, and pepper. Whisk in a little hot water; add the parsley and set aside.
For the salad
Divide salad greens among 4 individual serving plates. Sprinkle with chopped onion. In microwave, reheat bacon for a few seconds. Remove from microwave and divide over top of each individual salad. Place garlic croutons on top of each salad. Lay poached egg over the top of the croutons and pour a little Mustard Vinaigrette over. Serve with fresh crusty bread. Place remaining Mustard Vinaigrette in a small bowl.