Crispy Tomato and Baguette Tart

2 T. butter2 T. olive oil1 t. minced garlicSalt, black pepper, red pepper flakes to taste15 slices Italian baguette, cut ¼” thick15 (1/4”) slices of red heirloom tomatoes15 (1/4”) slices of yellow heirloom tomatoesOlive oil1 c. shredded parmesan cheese1 T.…