A burner for non-symmetrical combustion, comprising: a burner housing enclosing a burner plenum comprising a freeboard area and heat transfer media; a fuel conduit extending within the housing, the conduit is positioned coaxial with a first axis that is offset relative to central axis of the burner, with the fuel conduit defining a fuel exit opening; an air conduit extending into the housing and coaxial with a second axis, the air conduit defining an air opening on an opposite side of a central axis of the burner from the fuel exit opening; and a baffle positioned at least partially around the fuel conduit and defining the air conduit, wherein the baffle further defines a cavity immediately adjacent the fuel exit opening and in fluid communication with the fuel conduit through the fuel exit opening, wherein a sidewall of the baffle defining the cavity converges from the central axis of the fuel conduit, characterized in that: the fuel conduit is positioned at least partially within the baffle and an outer surface of the fuel conduit and a sidewall of the baffle define an annular opening, and wherein an end of the fuel conduit adjacent the fuel exit opening is tapered, and wherein air is supplied to the annular opening through an air conduit that extends through the burner plenum and connects to the cavity and the fuel conduit is positioned within the air conduit or air is supplied to the annular opening from the freeboard area of the plenum. a burner housing enclosing a burner plenum comprising a freeboard area and heat transfer media; a fuel conduit extending within the housing, the conduit is positioned coaxial with a first axis that is offset relative to central axis of the burner, with the fuel conduit defining a fuel exit opening; an air conduit extending into the housing and coaxial with a second axis, the air conduit defining an air opening on an opposite side of a central axis of the burner from the fuel exit opening; and a baffle positioned at least partially around the fuel conduit and defining the air conduit, wherein the baffle further defines a cavity immediately adjacent the fuel exit opening and in fluid communication with the fuel conduit through the fuel exit opening, wherein a sidewall of the baffle defining the cavity converges from the central axis of the fuel conduit, characterized in that: the fuel conduit is positioned at least partially within the baffle and an outer surface of the fuel conduit and a sidewall of the baffle define an annular opening, and wherein an end of the fuel conduit adjacent the fuel exit opening is tapered, and wherein air is supplied to the annular opening through an air conduit that extends through the burner plenum and connects to the cavity and the fuel conduit is positioned within the air conduit or air is supplied to the annular opening from the freeboard area of the plenum. the fuel conduit is positioned at least partially within the baffle and an outer surface of the fuel conduit and a sidewall of the baffle define an annular opening, and wherein an end of the fuel conduit adjacent the fuel exit opening is tapered, and wherein air is supplied to the annular opening through an air conduit that extends through the burner plenum and connects to the cavity and the fuel conduit is positioned within the air conduit or air is supplied to the annular opening from the freeboard area of the plenum.