Caesar Steak Tartare

Name: Caesar Steak Tartare
Ingredients: 1/4 cup plus 2 tablespoons extra-virgin olive oil , divided; 1 1/2 ounces Parmesan cheese , grated (about 6 tablespoons), divided; 1 1/4 teaspoons kosher salt , divided, plus more to taste; 1/2 teaspoon black pepper , divided; 1 small baguette , chopped into 1/2-inch pieces (about 1 1/2 cups); 4 jarred anchovy fillets in oil (such as Ortiz), patted dry; 2 small garlic cloves; 1 large egg yolk; 1 teaspoon Champagne vinegar; 1/4 cup canola oil; 3 tablespoons buttermilk , divided; 1 (12-ounce) trimmed rib eye steak , cut into 1/4-inch cubes (about 1 1/2 cups), chilled; 2 tablespoons finely chopped fresh chives; 12 white Belgian endive leaves (from 1 medium head); 12 red Belgian endive leaves (from 1 medium head)