Maple Caramelized Onions

Cup of Yum
1. Heat the oil in a large skillet over medium-high heat
2. Add the onions and cook, stirring, until starting to soften.
3. Stir in ½ cup water & bring to a boil.
4. Reduce heat to medium-low and simmer until most of the liquid has disappeared.
5. Stir in another ½ cup water, and continue cooking 30-40 minutes, adding more water when needed.
6. Stir in maple syrup and balsamic vinegar.
7. Cook, stirring until onions are brown and most of the liquid has evaporated.
8. Remove from heat and set aside

Sliders

1. Wash mushrooms and remove stems.
2. Put mushrooms in a shallow dish and whisk together olive oil, vinegar, salt, and pepper.
3. Pour olive oil mixture over mushrooms, turning to coat
4. Allow mushrooms to sit for 30 minutes while onions are cooking.
5. Oil grill with cooking spray and heat to medium-high.
6. Grill mushrooms covered, about 5 minutes each side
7. During the last minute of grilling, top each mushroom, stem side with cheese. Cover and heat until the cheese is melted. Remove from grill.
8. While mushrooms are grilling assemble the slider buns by spreading each with Dijon mustard and mayonnaise on each of the halves.
9. Top the bottom halves with lettuce, bacon, and caramelized onions.
10. Add the cheese-topped mushrooms, and top with the other half of the slider bun.